iMASCHINE
From the website:
iMASCHINE is a professional instrument designed for beat producers of all levels – you don’t need to have experience with MASCHINE to create spontaneous beats. With its intuitive threshold-based pad sampling, note repeat, auto-loop length feature, on-board mixer with six handy effects and the unique audio recording function, iMASCHINE makes it easy to instantly create grooves whenever the mood hits.
Funny/weird video in bed, but check out the app in itself, it seems pretty amazing and simple. Clever interface for impromptu music/beat making.
More info about iMaschine: http://www.native-instruments.com/imaschine
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