Blackbox as Main machine for a live performance

[srcbcn]

Yeah, the problem of sync with the midi when loading a new song is worst than the stop on the audio.

[srcbcn]

Taking this idea as starting point. Also taking an external drum machine to bring the percussion patterns:
How is possible to organize a full 1h live performance? Jumping between songs? In that case how would you make the the transition between...