Ed, this is a terrific find! I had forgotten this feature was there.

Great work. Thanks for your post.

I invite you to try something that I requested a few decades ago. PG Music added a few MIDI styles that hold the notes of a chord while (just to avoid boredom) keeping a swing or bossa beat going as you listen to chord progressions. You can see the notes of the chord in the Notation Mode. Be aware that you will see inversions and some notes will be doubled. Still, you might find that helpful.

The styles are:

Heldbosa.sty
Sw44held.sty



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