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AUMI: Adaptive Use Musical Instrument

1. aumipad com O 2013 Deep Listening Institute AUMI User Manual 1 0 1 AUMI also has a presence on Facebook at https www facebook com AdaptiveUse 2013 Deep Listening Institute AUMI User Manual 1 0 1 USING AUMI SETTING UP THE AUMI PLAY SPACE AUMI uses the front facing video camera to track motion and control which sounds are played For this to work optimally good lighting a neutral background and a steady support for the iPad iPhone or iPod Touch being used are needed The more neutral the background the better AUMI will be able to find intentional motion The iPad folding case is a pretty good support but you can also use commercially available stands and mounts and in a pinch some big rubber bands a chair and some creativity will also do PREPARING YOUR DEVICE AUMI runs on all iOS devices iPhones iPod touches iPad iPad mini running iOS6 and above which have front facing cameras For a better experience you may want to e Adjust the screen brightness for the ambient lighting in the room e Turn off multitouch gestures although sometimes find them useful to switch back and forth to MIDI instruments running in the background e Turn off key clicks Turn off the notification pulldown e If it s an iPhone and you are in a performance situation go into Airplane mode and it won t spend time looking for cell service or WiFi which AUMI doesn t need Start a MIDI instrument first if you want
2. 4 v_1 0 iPt 130426 101904 Henry Guitar short Pelog S iv 1 0 iP 130426 101921 Henry String Quartet Pelog 6 W_1 0 iP 130426 101934 Henry String Quartet Pelog 7 Wv_1 0 iP 120426 101949 Henry String Quartet Pelog 2013 Deep Listening Institute F J G J K L ra po pp l Notes Notes PI minX maxX minY max avg Vel X avg Vel Y Institutior Program Administra 25 25 25 25 25 0 33 0 09 0 01 0 02 0 43 0 78 1 00 0 98 0 90 0 80 0 50 0 03 0 03 0 50 0 50 0 68 1 04 0 96 0 72 0 50 0 00 1 11 3 44 5 51 3 19 0 38 0 00 Deep List AUMI Class Dr Lowen 0 79 Deep List AUMI Class Dr Lowen 3 69 Deep List AUMI Class Dr Lowen 4 85 Deep List AUMI Class Dr Lowen 72 01 Deep List AUMI Class Dr Lowen 42 44 Deep List AUMI Class Dr Loweng AUMI User Manual 1 0 1 Settings Settings AUMI AUMI uses software to turn video images into trackable features Each device has its own best parameters for working with feature trackers You can adjust them to your taste here Tracking controls the number of tracking points that AUMI uses to detect motion The more there are the better the chance that the motion will be accurate However lower powered devices may need to keep this number low A good range is from 8 50 although you can set it much higher Tracking Features 32 2013 Deep Listening Institute AUMI User Manual 1 0 1 Carrier 8 52 AM
3. Tracking Minimum Distance This controls how close together the tracking points will be located in pixels It s good to keep them about 6 pixels apart Tracking Minimum Distance 6 Motion Sensitivity this number sets a limit on how much motion a tracking point must have for it to be considered meaningful motion A setting of 150 is good but in visually noisier environments a higher setting may be needed Motion Sensitivity 150 The Settings App holds tracker configurations that may be of use on faster machines AUMI uses software to turn video images into trackable features Each device has its own best parameters for working with feature trackers You can adjust them to your taste here Tracking controls the number of tracking points that AUMI uses to detect motion The more there are the better the chance that the motion will be accurate However lower powered devices may need 2013 Deep Listening Institute AUMI User Manual 1 0 1 to keep this number low A good range is from 8 50 although you can set it much higher e Tracking Minimum Distance This controls how close together the tracking points will be located in pixels It s good to keep them about 6 pixels apart Motion Sensitivity This number sets a limit on how much motion a tracking point must have for it to be considered meaningful motion A setting of 150 is good but in visually noisier environments a higher setting may be needed 2013 Deep Li
4. new sound By setting the cutoff time the sound will stop playing after that time in seconds has elapsed Cutoff time is roughly set in tenths of a second and runs from 0 1 to 3 seconds Setting it to O will let the sound play its natural length These parameters are saved in the user s Setup file see Setups 2013 Deep Listening Institute AUMI User Manual 1 0 1 Set GUI EEEEREEE 0 6lU This control lets you change the sizes and colors of some interface elements Pick which element Cursor or Guide you want to change from the selector button By touching in the array of colors you change the color of the selected element The box on the bottom left of the color array will show you the current color setting The slider on the lower right lets you change the color s transparency The slider on the left is used to change sizes For Cursor you can change the size of the cursor with the slider It can be set from 70 to 300 pixels 2013 Deep Listening Institute AUMI User Manual 1 0 1 For Guide you can change the size of the trigger area borders with the slider from 1 to 20 pixels The layout buttons select whether the trigger areas are laid out horizontally vertically or in a grid If you are using the MIDI instrument and your layout is vertical the position between top and bottom of the layout grid is used for the note s velocity so that ner the bottom of the grid is low velocity and near
5. particular order The order can be reassigned by using the Sounds button 2 Melodic instruments green They have a range of chromatically tuned samples that can be used to play melodies Most melodic instruments have a range from MIDI note 36 C2 to MIDI note 96 C7 2013 Deep Listening Institute AUMI User Manual 1 0 1 3 Looped instruments yellow All the sounds play simultaneously in a continuous loop The closer the cursor is to a sound s trigger area the louder that sound will play If you make the size of the cursor bigger it will cover more sounds and you will hear more of them simultaneously in the mix The choices for loop sounds and the number of them on the screen can be changed by using the Sounds screen 4 MIDI instrument blue Makes no sound by itself It sends MIDI messages t o other programs or devices The parts of this control are as follows An instrument selector The instruments to pick are o Melodic sounds can use scales in different keys c2 36 c3 48 c4 60 c5 72 c6 84 c7 96 Piano piano C2 C7 Guitar long synthetic strings C2 C7 Guitar short synthetic strings shorter than before C2 C7 Tines a sampled music box C4 60 to C7 96 Reedy synthetic reed instrument C2 C7 Bowed synthetic string instrument C2 C7 Steel Drum C2 C7 Kalimba C4 C7 Synth Drum C2 C7 Woodblock C2 C7 Orchestra Hit C4 C6 Sitar C2 C7 Timpani C2 C4 Tubular Bells C2 C7 Gl
6. that AUMI skips over some of the higher ones to save a little time and space Loops can play from 4 to 12 sounds or the maximum number of sounds available if less than 12 You can also set the number of sounds from within the Sounds control O O O O O O 0 0 Other controls are Show Hide A debugging feature that shows what the tracker is tracking Each little numbered square is a spot that the tracker is interested in The dark blue ones are spots that have moved enough to contribute to the motion of the cursor the paler ones are being ignored until they move more It s useful to find out what it is looking for Show Hide names This controls whether labels show up in trigger areas 2013 Deep Listening Institute AUMI User Manual 1 0 1 Zoom If the camera is too far from the user Zoom can help make limited motion more effective It also speeds up the interactivity a lot because there is a smaller bitmap to track Multiplier Mult When the Multiplier is at its lowest setting all meaningful motion is directly added to the cursor s position Mult takes that motion offset and multiplies it up to 4 times This increases the effect of motion so that a very slight motion can have a bigger effect at moving the cursor Volume Vol The volume for playing internal instruments Cutoff Time Some sounds play for a long time and overlap each other This can keep a user from hearing that their motion has started a
7. to make reports in an external spreadsheet program like Numbers or Excel This information may be useful for tracking the progress of individual AUMI users in different programs at various institutions By touching the report button all the records collected so far in this session are written to a file and are included in an email you can mail out You can select whether to send out just the latest report or all the reports that AUMI has retained The generated mail will include all the appropriate csv files as attachments If you send out the mail successfully AUMI will ask if you d like to erase all the files that it has kept If you reply Yes it will do just that All these files including ones from previous sessions are also available in the iTunes Document browser for AUMI This file is also written whenever you leave the program Each record has the following information e Version Date Time Stamp User Instrument Scale Notes Notes Played o min X max X min Y e max Y avg Vel X avg Vel Y 2013 Deep Listening Institute AUMI User Manual 1 0 1 Institution Program e Administrator Thus you can tell users apart and send files to different institutions For example A sa paso y E 1 Version Date Time Stam User __ Instrument Scale _ 2 v_1 0 iPt 130426 101834 Henry Guitar short 3 Wv_1 0 iP 130426 101849 Henry Guitar short Pelog
8. 1 0 1 LOGIN ee dress bok report List Load Save Administrator Setups Setup Setup The Login page is where you can set up a name and other metadata here for recording activity during an AUMI session You can use the address book button to get access to the device s contacts to find names more easily When you select a name it is put in the name field The report button uses this information to create a report file with records summarizing AUMI activity every 15 seconds This file is a comma separated value file CSV supported by most spreadsheet software See the reports section for more details You can load and save an instrument and other configuration data which is called a Setup with the List Setups Load Setup and Save Setup 2013 Deep Listening Institute AUMI User Manual 1 0 1 buttons The Save Setup button saves the current instrument and its layout colors and sound order to a file named the same as the user s name e g user name aumi You can save other instrument setups for a user by adding a note to the user name e g Henry Lowengard marsh The idea is to load a Setup appropriate for that user so Load Setup looks up the Setup file using the current user name If there is no name it tries to load a Default Setup which you can create by saving a Setup with no user name You can also pick the Setup out of a list using the List Setups button which will also pick the user Done Defaul
9. AUMI User Manual 1 0 1 AUMI Adaptive Use Musical Instrument The Adaptive Use Musical Instruments AUMI software interface enables the user to play sounds and musical phrases through movement and gestures This is an entry to improvisation rather than hitting the right notes or playing set pieces of music Instead the software uses music as a way for participants to express a range of affects both by themselves and in response to or in conversation with others While the AUMI interface can be used by anyone the focus has been on working with children who have profound physical disabilities In taking these participants as its starting point the project attempts to make musical improvisation and collaboration accessible to the widest possible range of individuals This approach also opens up the possibility of learning more about the relations between ability the body creativity and improvisation from within a cultural context that does not always acknowledge or accept people with disabilities AUMI continues to be revised and improved with input from the technologists students therapists and with feedback from registered users An on site training program is now available AUMI for iOS was developed for the Deep Listening Institute by Henry Lowengard and adapted from the desktop version of AUMI which is also available from the Deep Listening Institute Ltd AUMI for iOS has a website with more information aumiapp com also at
10. AUMI to play it PLAYING AUMI You can play AUMI right away when it starts up or by using the Play AUMI tab bar button to change the screen to the play screen You will see a live video image with a circle with a red dot in the center the Cursor and a number of rectangles the Trigger Areas You can rescale the trigger areas by touching the corners with two fingers Then you can move the cursor anywhere on the screen with a single touch You can change various aspects of these interface elements with the Set GUI button 2013 Deep Listening Institute AUMI User Manual 1 0 1 CONFIGURING AUMI To change the instrument the number of available notes scales and other aspects of the audio and video of AUMI use the Instruments button which is on the video screen for iPads and in the tab bar on smaller devices LOGGING IN AUMI has a Login screen This is a place to identify a user and other metadata useful in the reports AUMI makes If you are not interested in those reports you can leave those spaces blank To help with filling out a name you can pick one from the Address Book You can organize users into Groups in the address book outside of AUMI that is and use that to help set the name without a lot of typing A name is also used to identify saved instrument setups If you have already saved some setups you can load one from a list with the List Setups button p gt The Login page in no way affects the ability to play AUM
11. I nor is this information sent to any server There are a number of adjustments that can be made to the tracker software that can help it work best for your device and the environment it will be working in These adjustments are found in the Settings app in the AUMI configuration screen AUMI can refine the way it turns movement into moving the cursor Read the Instruments section to find out more SOME TIPS AND HINTS Some AUMI users are only capable of extremely limited voluntary motion AUMI can be adjusted to accommodate their needs in a number of ways e You can rescale the trigger areas by pinching the screen If you put a lot of trigger areas in a small space smaller motion is more likely to trigger a sound e You can zoom in to get faster response It s not really Zooming as much as taking an excerpt of the middle of the image but that may help AUMI find the motion it needs to play sound The Mult slider in the Instruments screen can multiply the amount of motion that the tracking software finds so that it can move the cursor more with each motion 2013 Deep Listening Institute AUMI User Manual 1 0 1 You can get feedback on what AUMI is interested in tracking by turning on the Show button in the Instruments screen The screen will fill with little labels for the tracking points it has found and the blue ones are points that have moved enough to be considered for moving the cursor The paler ones are cu
12. evice iPads only via the Camera Connection Kit or to a software MIDI synth running on the iPad or within the network Read more in the MIDI section User Instruments Adventurous users can add their own sound files to AUMI to be turned into instruments Read the User Sounds section for details 2013 Deep Listening Institute AUMI User Manual 1 0 1 The base note if the instrument is melodic This is like the tonic of the key of the selected scale Note that many of the scales are a little more complicated than usual major minor and chromatic scales The kind of scale to use if the instrument is melodic o Chroma a chromatic scale Major a major scale Penta a pentatonic scale Minor a minor scale Maj Triad a major triad l Ill V scale Min Triad a minor triad Illb V scale 7th a seventh Ill V VIlb scale up down a melodic scale that goes in a pattern of up a major third up a minor third down a fourth and up a minor third again Blues a bluesy scale o Pelog a beautiful scale based on Pelog Selsir a Javanese scale The scales are built dynamically They start on the base note and create the scale by adding a cycle of intervals to that base note If that base note is lower than the lowest note available in an instrument like C4 for the Tines the scale will be played in the base note s key but only using notes within the range of the instrument The number of sounds to put on the screen in Trigger areas Note
13. ing to Different synths try to discover MIDI sources in different ways and sometimes it s trickier than it looks The iPad s Connection Kit though finds a real synthesizer pretty well 2013 Deep Listening Institute AUMI User Manual 1 0 1 Here s one way I ve gotten another synthesizer running on the same device to work 1 Start AUMI 2 In Instruments choose a MIDI instrument Pick a scale and note range too if you like 3 Make sure the MIDI switch is turned on 4 Click the home button to put AUMI away it s still running 5 Start a MIDI synthesizer like DXi Animoog or another MIDI compatible iPad app 6 Make sure the synthesizer can play using background audio For example in DXi it s a switch in the MIDI section of its settings and information popup 7 Click the home button to put the synth away and click on AUMI s icon again 8 It should be able to play the MIDI synth now You can also use a local network to play instruments on a nearby laptop or desktop That s a little more involved I d suggest you look at Apple s documentation here O 2013 Deep Listening Institute AUMI User Manual 1 0 1 Reports AUMI generates reports in the form of CSV files Each time AUMI is started a new file is created in the format AUMI YYMMDD HHMMSS csv SO that the date and time are part of the file name e g AUMI 121206 092201 csv Every 15 seconds a record is cut with some information that may be used
14. nt You 2013 Deep Listening Institute AUMI User Manual 1 0 1 have to have at least four of these sounds to make a My Loops instrument You can also remove files from AUMI using this interface You can also transfer out the csv files for report purposes Once the files have been transferred you can close iTunes When you now restart AUMI you can see the new instruments appear at the bottom of the list named My Melodic My Instrument and My Loops Zoom lt lt Mult m Vo SE iViy VIE IOQGIC User s Melodic Inst My Instrument User s Samples instruments If there are no samples in that particular category the instrument won t be created The User Sounds Instruments cannot currently be saved in a Setup using Save Setup because of the possibility of files being added or removed using the iTunes Documents interface Attempts to do so will result in a warning message This situation may improve in a later release 2013 Deep Listening Institute AUMI User Manual 1 0 1 Credits AUMI for iOS was developed for the Deep Listening Institute by Henry Lowengard and adapted from the desktop AUMI which is also available from the Deep Listening Institute Ltd Thanks to Pauline Oliveros Leaf Miller Jaclyn Heyen Emily Halstein Lisa Barnard Kelley and Al Margolis of DLI and the desktop developers Zane Van Duzen Zevin Polzin Doug Van Nort lan Hattwick Aaron Krajeski Some audio was generously provided b
15. ockenspiel C5 C7 Tenor Recorder C3 Ab4 o Non Melodic sounds can be arranged but do not have scales 2013 Deep Listening Percussion sampled percussion sounds Kitchen Percussion sounds of pots and pans The Institute of Contemporary Music nstitute AUMI User Manual 1 0 1 O Cartoon Sounds cartoon sound effecis Noises experimental rock band noises Dr Nerve s Nerve Events Loops a circle of continuous sounds that can be mixed together The closer the cursor is to a box the louder the loop it represents will play This way slow movement can still have an effect that can be played along with There can be from 4 to 12 trigger areas to play with loops You can adjust the number with the slider in the Sounds popup screen Loops An instrument where the mix of two second long loops is controlled by the cursor position Marsh Loops The sounds of a marsh from Dave Soldier s Marsh Fugue Tran Phu Recorded in Vietnam by Kala Pierson Pin Pia A traditional Thai instrument recorded by Dave Soldier Synthy Loops A collection of 2 second electronic loops LP Lock Grooves A collection of loops that will synch with vinyl lock grooves at 33 1 3 RPM Glyptodont Sounds from Skip La Plante s Glyptodont Troglodytes Sounds from Deep Listening Band s Troglodyte s Delight Widow Jane Mine Tenor Recorder in the Widow Jane Mine MIDI m MIDI This will send MIDI signals to either a connected MIDI d
16. or and thereby trigger the sounds 2013 Deep Listening Institute AUMI User Manual 1 0 1 There s a toggle button Show in the Instruments screen that makes the tracking spots visible when clicked Click it again to remove the spots You can change the size of the rectangle the triggers are in by touching the screen with two fingers The touch points move the top left and bottom right corners of the box The layout of the rectangles can also be changed except for Loop instruments by using the Set GUI control That same control can change the color transparency and thickness of the trigger outlines and the color transparency and size of the cursor On an iPad the Instruments button appears on this screen while on an iPhone that button is on the navigation bar 2013 Deep Listening Institute AUMI User Manual 1 0 1 INSTRUMENTS Reedy sawtooth wave instruments On iPads the Instruments screen is accessed with a button on bottom of the Play AUMI screen On iPhones and iPod touches it s in the tool bar The Instruments screen is where you select an instrument and its properties set volume and set video tracking options A big scrolling instrument picker is divided into four parts Some instruments don t use all the parts so they are blanked out Instruments break down into four types each colored differently 1 Sample instruments white They simply play samples that are not tuned or in any
17. res the order of the sounds to what it was when the control was displayed A slider at the top sets the number of sounds that this instrument will use which will be from 1 to 25 On the iPad you can see the layout of the trigger areas change as you move it The Loop instrument for example can play from 4 to 12 sounds but more sounds are to be found in the list which can be moved into place so that they can be heard Similarly if you set up a Percussion or Noises instrument with just two sounds to play you can choose those sounds by moving them into place using the sounds screen This alternative order of sounds is saved with the instrument if you use the Save Setup button on the Login screen 2013 Deep Listening Institute AUMI User Manual 1 0 1 MIDI Acoustic Grand Piano Bright Acoustic Piano This screen is included as part of the Instruments screen on iPads If the current instrument is a MIDI instrument here is where you can select channel and program settings as well as setting the delay time until a note off event is emitted When a MIDI instrument is selected a big red CLEAR MIDI button appears in case there are stuck notes You can also enable and disable MIDI transmissions with a switch You can select a program with the picker on the right The names of the programs are the standard general MIDI names and may not correspond to sounds that are actually played by the MIDI synthesizer you are connect
18. rrently being ignored until they move more later e AUMI can play over other music making programs and synthesizers if they can play in the background Improvise with AUMI over an iTunes track 2013 Deep Listening Institute AUMI User Manual 1 0 1 This is a quick description of the toolbar and interface buttons Click on them for more details Play AUMI The interactive video interface Instruments Pick instruments set the volume and adjust the tracking features MID Configure AUMI s MIDI playing features Login Register who is currently using AUMI so activities can be recorded Load and Save instruments and Create Reports Gul Set GUI Change aspects of the graphical user interface GUI such as colors and sizes This is launched from a button on the bottom left of the main video screen ON T Sounds Assign sounds to trigger areas 2013 Deep Listening Institute AUMI User Manual 1 0 1 The user interface is different on iPads and iPhones On iPads the Instruments control button is at the bottom of the Play AUMI screen and contains the MIDI controls as well AUMI works on iPhones and iPod touches that have front facing cameras but is best on iPads and iPad Minis Newer models will be faster The AUMI Web site at deeplistening org is here featuring more information videos support and tips and hints 2013 Deep Listening Institute AUMI User Manual
19. stening Institute AUMI User Manual 1 0 1 USER SOUNDS Somewhat adventurous AUMI users or administrators can add their own sounds into AUMI in a limited fashion By using the iTunes Document interface for AUMI you can drop in MP3 sound files and have them automatically turn into instruments Here s how it works Plug in your device and open iTunes When the device becomes available in iTunes click on it Pick apps in the button menu Scroll down below the listing of Apps to the File Sharing section Fie Sharing Apps AUMI Documents eae Find AUMI in that section and click on it It should look like the image shown above You can now drag files in or out from this window Or you can use the Add button Drag in any mp3 files you want to use They must have a suffix of mp3 lower case They should also follow this naming convention o Files which you want to be interpreted together as a melodic instrument that is able to use scales and keys like Piano should be named as the corresponding MIDI note numbers and have a contiguous range of notes For example 8 mp3 9 mp3 10 mp3 etc There s no reason to constrain yourself to sounds with pitches corresponding to the MIDI note number that it is named for Or melodic sounds at all These files are turned into melodic instrument named My Melodic o Any other kind of sound file is put in the list for both loops My Loops and simple sampled instruments My Instrume
20. t MIDI Loom AUMI Cent List 4 Setups List Setups will also let you rename or delete existing setups but touching the appropriately named buttons You can also find and export these Setup files or import them by using the iTunes Document interface for AUMI They will have the suffix aumi An aumi file is an Apple plist file which is a kind of XML file and so is legible by humans 2013 Deep Listening Institute AUMI User Manual 1 0 1 Play AUMI This is the main interface to be used while playing AUMI iPad version Over a live video image there is a set of rectangular trigger areas anda circular cursor which is what triggers sounds as it moves into the trigger areas The trigger areas for a vertical layout actually stretch to the edge of the top and bottom of the screen The horizontal layout behaves similarly with respect to left and right You can also set the position of the cursor by touching the screen AUMI works by detecting and tracking the movement of interesting parts of a video image Interesting in this case usually means high contrast and angular shaped parts of the image The tracker works best when there is Clear lighting and a blank background behind the user The relative motion of the tracking points moves the cursor on the screen The cursor has no direct relationship with the tracking points This allows any motion it detects in the image to control the curs
21. the top of the grid is high velocity For a horizontal layout left is low velocity and right is high velocity To dismiss this control tap anywhere outside the popup 2013 Deep Listening Institute AUMI User Manual 1 0 1 Sounds o 1 Bell stapling 2 Broken telegraph 3 Chase the duckling 4 Clean your boots 5 Cluck squeek gt This screen is accessed by pushing the button on the Play AUMI screen The Instruments screen shows a Sounds button for Percussion Noises and Loops instruments because their sounds do not have to be ina particular order and so you can change that order To quickly remove a number of sounds from active use select their names and push move to bottom Similarly if you want to use instruments from the middle of the list select them and push move to top Now you can easily re order them Pressing this button takes you to a list of all the sounds available for that instrument The ones currently playing are in black and the ones that are currently not playing are shown grayed out You can change the order of 2013 Deep Listening Institute AUMI User Manual 1 0 1 the sounds by dragging the sound using the dragging button on the right of each line You can select any number of sound names and send them either to the top of the list or the end of the list using the appropriate buttons This makes it easier to move sounds you want to hear into place The Reset button resto
22. y these musicians e Nick Didkovsky and Dr Nerve for the Nerve Event noises from Beta 14 OK Dave Soldier and the Soldier String Quartet for the Marsh Loops Pin Pia and Soldier String Quartet Excerpts from Sequence Girls Paris 1919 featuring Shelley Hirsch on vocals and The Impossible String Quartet Skip La Plante for Glyptodont Deep Listening Band for Troglodyte s Delight e Kala Pierson for Tran Phu The Institute of Contemporary Music for Kitchen Percussion via ccMixter com and Henry Lowengard of jhhl net supplied the Music Box Synthy Loops LP Lock Grooves Tenor Recorder Widow Jane Mine and prepared or synthesized the other samples and loops iOS iTunes iPad iPhone iPod Touch GarageBand are registered trademarks of Apple Inc AUMI was developed with the support of the The Gould Family Foundation The tracking software is KLT Kanade Lucas Tomasi from Stanford University The AUMI for iOS Web site at aumiapp com also at aumipad com is here The General AUMI Web site at deeplistening org is here AUMI 2012 2013 Deep Listening Institute Ltd developed by Henry Lowengard 2013 Deep Listening Institute

AUMI: Adaptive Use Musical Instrument

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