Whilst this looks a little rudimentary, I think it could actually be really cool and quite fun, so I might have to try it out.
Here’s the app’s description:
InstaJams is the first real-time jamming app for your iPad. Make music with your friends and jam online.
Features:
- Jam online with other users in virtual jam rooms
- Over 35 virtual instrument sounds: drums, guitars, basses, keyboards, orchestral and FX
- Drum sampler with integrated step sequencer
- Drum pads for live playing
- Bass and melody tracks with multitouch note grid interface
- Support for multiple musical scales and tunings
- Works offline via the “Practice Room” setting
The app is free