I would ditch using sequencing altogether, but that's just me. I would record the sequenced parts to audio, make sure you have a type of countin for all your intros, and just record them to audio and use an mp3 player or cd player to play those tracks and loop along with the audio.

Start/stop will still be up to you, but at least you can avoid the latency issue and the hassle of dragging a lappy and audio interface to your gigs.

-Scott

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