Hi chaps, thanks for your interest. Yes, .wma tracks play in WMP. In BITB I CAN select and use styles from the "open files from disc" dialogue. But this is useless as the file names are almost meaningless, naturally.

I've installed, uninstalled & re-installed 3 times. Here's the first part of the current error message:

Exception log with detailed tech info. Generated on 30/09/2020 11:32:59.
You may send it to the application vendor, helping them to understand what had happened.
Application title: Band-in-a-Box® - NONAME.SGU
Application file: C:\bb\bbw64.exe
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Exception class: EAccessViolation
Exception message: Access violation at address 00000000007F5A40 in module 'bbw64.exe'. Read of address 0000000000000950.
Exception address: 00000000007F5A40
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Main thread ID = 13928
Exception thread ID = 13928
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