"The foundation of any good rock, dance, or pop song is the beat. Creating a drum track that stands out will take your music from "meh" to "wow." With GarageBand for iPad, you can now create drum tracks that sound incredibly good with very little knowledge or expertise."
"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."
"GarageBand offers a selection of virtual guitar, bass, keyboards and drums that you play by tapping on the iPad's screen. To make music that sounds any good, you'll need to know how to play the real versions of these instruments."