The reason that this is happening is a combination of these two things (A) Band-in-a-Box generates the file based on the original key of your song. (B) RealTracks artists play what is natural for them to play for a chord in that style of music, so seeing a B chord in the key of A, many RealTracks will play the b7.
It would definitely be a desirable feature for it to be able to follow key changes within the song for RT generation. Another useful feature would be an F5 bar setting to treat major/minor as I chord and/or the ability to force the chord to a triad. These features currently aren't present.
One solution that you might find acceptable is to change your B chord to "B2" or Badd2, and that would force it to not play the 7.
If you don't like the B2 chord, then a slightly more complicated solution is to: 1. Set your song to Key 1 and generate. Freeze track and mute it during Key 2. 2. Set your song to Key 2, add the RT to a second track, and generate. Mute it during Key 1.
This would work best if there is only one or two RT's that are playing the b7, since you'll need an extra track for each of them.
I think for Andrew's slightly more complicated solution to work correctly you will also need to generate Key 2 (the B Chord) without the modulation applied since you're looking for the B and not the C# the modulation in Key 1 produces when transposed up to B.
<< This would work best if there is only one or two RT's that are playing the b7, since you'll need an extra track for each of them. >>
For this issue, I suggest using the unused Melodist Track and use the RealTrack Medley Feature to create a track to be used with Andrew's procedure as the Key 2 unmuted track. This allows all four instruments to play simultaneously and only occupies a single additional track while applying the Unmute at once. You can match the panning of the each instrument and also adjust each instruments level if necessary. In the BIAB Mixer, I reduced the Reverb level to balance between the Bass with no reverb and the two guitars that did have reverb.
I've attached a screen shot showing a mockup. If you open the image in another tab, you can zoom in for clarity.
Band-in-a-Box® 2025 for Mac® users: Build 904 now available!
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There's an amazing collection of new content too, including 202 RealTracks, new RealStyles, MIDI SuperTracks, Instrumental Studies, “Songs with Vocals” Artist Performance Sets, Playable RealTracks Set 5, two RealDrums Stems sets, XPro Styles PAK 10, Xtra Styles PAK 21, and much more!
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