Aiming to improve this, as it's otherwise a cool concept but the code is messy as fuck.
This app, as far as I know, the first ever functional port of TiMidity++ to Android platforms. Please consider purchasing it to support future development: https://play.google.com/store/apps/details?id=com.xperia64.timidityae
Timidity AE contains TiMidity++ and sfArkLib: http://sourceforge.net/projects/timidity https://github.com/raboof/sfArkLib