iPad music apps tutorials
Cubasis tutorials
Cubasis with iPolysix via Audiobus and LoopyHD
Composing in Cubasis/Magellan and Mixing in Auria
Cubasis and GarageBand/FL Studio instruments
Cubasis “How to create Jazzy House” tutorial by famous music tutor Danny J Lewis
Audiobus
Getting started with Audiobus (by iosmusicandyou.com)
Nano Studio
NanoStudio TRG-16 QuickTips (by iosmusicandyou.com)
Others
Sampling SoundCloud on iPhone (via mobilemusicproduction.com)