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If you create a new song with a blank chord sheet with either of the 4 styles that come in set #28, the drum track is automatically populated with JazzBrushesWaltz: a: Brushes b: Snare, Ride
You should not have to manually add the drum track.
You need to let us know the actual scenario you is encountering with this quick test.
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That is exactly what I did, i.e. blank chord sheet. The dot left of the drums was dark (it might be black but I am partially colorblind) and no drums were playing, even when soloed.
If this is working for you then the problem might be at my end.