Understood. I don't believe that will be possible, since the signals for the lights are embedded in the music, and I'm pretty sure the music player does not have the capability to play 2 tracks simultaneously.
However, I believe that there may be the ability in the future to allow music to play along with KBS sessions.
I think a better solution is what you hinted to, creating your own MWS sessions, using whatever music you like.
Scott or Craig will have to chime in on whether they think that the raw MWS files will be offered at some time.
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