dbmix 0.9.8-6.3ubuntu1 (armhf binary) in ubuntu vivid

 The DBMix software collection mimicks a mixing desk as used by disc jockeys.
 Using only a single sound card, it allows one to mix audio streams from a variety
 of sources, cross-fade between them, adjust the pitches, or punch in short
 effects. Optionally, a second sound card (or output channel) can be used to
 cue in songs.