ISO and put everything back in it's place. After repacking the renamed files into a new BGM_US.AFS, I made a copy of the original. ADX files from BGM_JP.AFS and renamed all the BGM_JP_XX.ADX files to BGM_US_XX.ADX. I then used afs_extract.exe to extract the.
I read that it had both the American and Japanese soundtrack for Sonic CD, and, after looking in SONICCD.CVM, realized this was true (BGM_US.AFS and BGM_JP.AFS). I recently found a copy of the PS2 version of Sonic Gems Collection in pieces that I had to download off Rapidshare on a Turkish website. Hello, Sonic Retro, I haven't really posted here (although I've lurked since '05), and I can see that this is one of the best places to get hacking advice