ISOs - no music?
 

I recently burned some ISOs (Aqua GT, Suzuki, Toy Racer, TrickStyle, Virtua Cop 2), and they all seem to have no music... But, at least, Aqua GT and Toy Racer DO have audio tracks - it's just: they're totally silent!

Most of the ISOs were discjuggler .cdi, and I read somewhere that there are no special settings for it, as the settings are all included within the ISO (or so). By now, I slighty start to doubt it.

Any help/suggestions?

There are some isos were the digital audio was removed and replace with silent dummy tracks, or just missing. Some people do this to save space and others just don't care about the music. I don't have any of those games you mentioned but it could be the case.

Did you run unpack and inject them if the option is there? Some may have CDDA's and just make sure they are included in your burn. I can't remember which is which. Chk the nfo.