When you're ready it should be working pretty good.
I'm just adding the play fill part so if you hit the same chord it will play a fill or you set it to auto play a fill after so many bars.
You can add a keyswitch to bring the soloist in and then fade it out.
You could get it to bring in soloist 1 or soloist 2 by having "soloist #" in the track name.

This is Active Presenter audio in:

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