Mac users interested in Is there an app for the imac to play a song backwards generally download:
Backwards Machine lets you reverse continuous audio in real time. Backwards Machine includes three effects:
- Reverse Playback: reverses and overlaps snippets of the incoming audio, to produce an ongoing backwards effect.
- Forward backwards: smoothly cross-fades between forward and backward versions of the incoming audio.
- Reverse Repeat: plays snippets of the input audio backwards, twice.
