This looks like an interesting idea for a music app. Make a whole some by just using your voice? Priced at $2.99 I’m not sure I want to try it out just yet, but I’ll keep an eye out to see if it gets cheaper.
Voice Band at the app store:
Voice Band for iPhone
tired the lite version; seems intriguing if you have good voice control!
playing your own tunes on the lite version seems to mess up app sound