Hi floyd,

From what I've learnt by playing around with User Tracks is that this sounds like Bb2/F has not yet been mapped for that particular Realtrack. I'll pass the information onto Team PG and refer them to this post of yours.

Given your vast experience with BIAB, I know you will have already done something like this. I hope I don't sound patronising, but I'm including the below workaround here for new users so that if they come across a similar problem, they might remember reading it and then have a potential solution.

This is how I would solve this...

1) Save a new version of the song so that I can always get back to the original if I need to.

2) Replace all Bb2/F with Bb/F using "Edit | Chords | Search and replace chords".

3) Generate the song.

4) Check that all the /F basses are correct and if not, use partial regenerate to correct the basses. (Audio Edit could also be used to copy and replace the erroneous bass notes.)

5) Freeze the bass track. Save.

6) Put the Bb2/F chords back onto the chord sheet and regenerate.

All the best,
--Noel

MY SONGS...
Audiophile BIAB 2025