notes
Bluetooth to Midi converter:
By Mike Szczys at Hackaday
http://hackaday.com/2011/07/09/turn-any-bluetooth-device-into-a-midi-controller/
Cheap 2-Way Bluetooth Connection Between Arduino and PC
By Techbitar at Instructables
http://www.instructables.com/id/Cheap-2-Way-Bluetooth-Connection-Between-Arduino-a/?ALLSTEPS
Arduino to Android using Bluetooth
By Brian Jepson at Make
http://blog.makezine.com/2012/03/19/bluetooth-4-0-from-arduino-to-iphone-no-jailbreaking-no-mfi/