In FL Studio, I don't understand how I can take a song with variable tempo, say one recorded with a real drummer, and warp it so that it has constant tempo (i.e. fits to the beat grid). It seems not ...
AFAIK there are many successful DAWs on IOS platform which I tried couple of them (Presonus Capture and Garage Band), I don't know if there is a DAW with tempo track change feature. It is essential ...