I was using those chords as an example.

I tested your progression using CLOUDS and ran into the same issue. It seems like if the 8 beat pattern starts on bars 1 or 3 (odd), it plays correctly. However, on bars 2 or 4 (even) it does not. I tried some other styles and had the same problem. It must be something in the algorithm.

From the FAQs:

...A 2 bar pattern gets played if there is only 1 chord at the beginning of 2 bars. A 1 beat pattern is chosen if there are more than 2 chords close together in a given bar...

Click HERE for the full text

R