Band-in-a-Box does not affect the Windows registry. PG Music allows Band-in-a-Box to be installed three times.

In your case you would want two installations, one to the "main" instance and one to the "music" instance. So you will end up with: drive letter for "music":\bb and drive letter for "main:\bb.

Assuming you want all RealTracks and RealDrums to be installed to the "G" drive you would choose the custom location setting by selecting Ctrl+E to open the Preferences window. Select the RealDrums and RealTracks button to enter the custom location as displayed below.

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Jim Fogle - 2024 BiaB (1111) RB (5) Ultra+ PAK
DAWs: Cakewalk by BandLab (CbB) - Standalone: Zoom MRS-8
Laptop: i3 Win 10, 8GB ram 500GB HDD
Desktop: i7 Win 11, 12GB ram 256GB SSD, 4 TB HDD
Music at: https://fogle622.wix.com/fogle622-audio-home