[CentOS] trying to recover an audio CD...

I'm trying to recover data from an audio cd. it is a recording of a live session, made on a professional cd recorder, on the fly.

apparently, instead of stopping it and fixating the disc, someone turned off the power. oops.

I know that wodim will fixate a disk as long as it was otherwise properly terminated (I've done it more than once), but this one it won't fixate. depending on the drive I try it in, I get different messages, but in either case, it remains unfixated.

so i've tried reading it with cdparanoia, but it can't do anything with it, or not that I've figured out how to do.

So, can anyone suggest ways to try to recover this audio data?

thanks!