This took a LOT more trouble shooting than I had hoped, but I finally got an (almost) workable setup running Traktor's audio into Bitwig via my audio interface's (MOTU Ultralite mk5) loopback function, running Chameleon on my touchscreen for effects via Bitwig and controlling both Bitwig and Traktor, Traktor for the master tempo, CopperLan manager to route the midi from Chameleon into both Traktor and Bitwig, along with live guitar and synths.
The remaining issue is an unresolved audio crash (driver/Bitwig...?) while recording both the audio from Traktor along with the guitar input, so I had to record out to an external recorder.
Passable results on the night - a mix of original/remixed/unreleased tracks.
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