I found a rather annoying bug for 1.5 (latest) cdrom version of super street fighter 2 turbo (ssf2t) for dos.
For better performance the readme file suggests to run the game using "ssf2t NOCDSTATUS" command line.
All is good, game is fast, short loading times, it runs like a charms except... in the jamaica level, when the faster version of the song starts (round 2 and 3 when at least one of the characters has low energy) song doesn't play, it seems like the cdrom keeps starting the track endlessly. All other levels/audio tracks play perfectly (as far as I can see), maybe my version is flawed but imho it's a game bug. I wonder if something can be done to fix that.
Again, how to encounter the bug:
Mount the cdrom and install the game.
Unpack patch 1.5 in a random directory and mount that directory as A:
install the patch
run the game using "ssf2t NOCDSTATUS"
wait for DeeJay stage and see.
The game suffers from this problem in dosbox and in a real hardware with dos and cdrom (tested).