Audiobus: Use your music apps together.
What is Audiobus? — Audiobus is an award-winning music app for iPhone and iPad which lets you use your other music apps together. Chain effects on your favourite synth, run the output of apps or Audio Units into an app like GarageBand or Loopy, or select a different audio interface output for each app. Route MIDI between apps — drive a synth from a MIDI sequencer, or add an arpeggiator to your MIDI keyboard — or sync with your external MIDI gear. And control your entire setup from a MIDI controller.Download on the App Store
Audiobus is the app that makes the rest of your setup better.
Live recording; Korg Module, AudioReverb, GarageBand
I used Audiobus to route a Korg Module piano and a mic (via AudioReverb), into GarageBand. It's a live setup, with piano (played from my Studiologic Acuna 73) and vocal (routed via Alesis iO Dock II) recorded to a stereo audio track in GarageBand. I ran it through MasterRecord and Final Touch after recording. It's an original song by me and I have in mind an instrumental section, to follow what I recorded here... that bit is still just in my mind, though; haven't totally figured it out yet! Hope you enjoy listening, anyway