MultiTrackStudio for iPad, Getting Started and Setting Up
This is a great new DAW for your iPad from Giel Bremmers, details below:
Fantastic for many reasons two of them being its only 11 MB and it also has a fantastic suite of top quality effects built right in. In this tutorial take you through the basics by recording some midi and audio and explain how to set this up. There is so much more to this app than in the demo but it will give you a good starting point. You can pick up the app at the iTunes store.