On just the topic of mMaj7 chords, I use this chord type all the time in Brazilian jazz. It has always worked correctly for many years.

In the very early days of RealTracks, however, I would sometimes have a piano part simply drop out on this chord, but when I reported it, a patch was issued.

About the other issues raised, I have some testing to do before commenting further. I am skeptical about some of what I’ve read.


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