ReSlice - Slice your audio with an advanced, rhythmic arpeggiator and FX.
SoundBetter - Marketplace for musicians and music production professionals
Auxy Music Studio - Auxy brings real music creation to iPhone in a simple and inspiring format.
PrimoMusic - An iTunes alternative made to manage iPhone/iPod media files
nlog Synth - Professional Virtual Analogue Synthesizer ::: check nlogmusic at YouTube :::
Gemtracks - Buy instrumental backing tracks and beats for $149! Get master ownership and copyright transferred to you once purchased.