Hi Andrew.

Thanks for the image. It helped a lot. I tried the _DAPPER style. After setting the Display Option to show 'dim' as the diminished triad, I received the same result as you. To me, this suggests that: (a) it's style related as Matt suggested; (b) the performer of the Realtrack 1662 did not play a diminished triad and so the 'dim' chord was mapped by PG Music as dim7; (c) PG Music did not map the dim triad separately.

RT 1662 is from set 147 which was released in 2011. I've checked back through the User Manuals and the diminished triad was introduced mid-year in 2012. This information means that when RT 1662 was recorded, the musician involved (Mike LeDonne) would have only been asked to play diminished seventh chords because in 2011, the diminished triad was not part of BIAB's repertoire of chords. Regarding Realtracks that were created after 2012.5, I'm pretty sure that most (if not all) will contain a diminished triad.

How to fix your issue with dim chords...

There is a setting called "Autofix sour notes". If this is activated for RT 1662, and instructed to fix notes according to the chord symbol, then after the track is generated, BIAB will process the track and tune any notes that are not part of the chord so that they become part of the chord.

The lower image below shows where the Autofix Sour Notes option is found. When I used this option, the diminished triads were corrected.

Regards,
--Noel

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