Hip Hop Tron is a music production app for the iPad.
This app will transform your iPad into a music production studio for your own personal enjoyment and use. You get six audio tracks and you can choose from over 400 sounds to make your own song.
For laying down rhythm parts, it comes with 90 drums and 85 bass lines. There are 176 melodies from 18 different instruments available for your song as well. For coloration you have 19 sound effects and 47 scratches.
Last but not the least, you can record and store these recordings for your music.