"Rockmate is a music studio that can support up to four realtime musicians. Essentially, Rockmate splits the iPad screen into four musical instrument interfaces. "
"Rockmate is a breakthrough music creation app. It turns your iPad into a complete music studio easy and super fun to use.
You can compose, record and play songs with up to 4 Rock players on one single iPad. Rockmate is easy to play with smart chords progressions, sounds great with separated guitar effects and in-house produced audio samples and is also fully customizable with multiple drums and keyboard styles."