As far as I know, there is not native or third party library available to play MIDI on the iPhone. But there seem to be quite a few apps that do exactly that. What are they using? Any clues?
A:
I found this library that is available for licensing. Hope it helps someone else.
www.crimsontech.jp/eng/softsynth/
Plumenator
2010-04-21 08:43:43