mp3 mixing!

[GinuWine4847]

anybody know of a good mp3 mixing program that can be downloaded that works on a Shoutcast? preferably of the crossfading variety? i had one as a Winamp Plugin but somebody eventually told me the mixing wasnt working and it wasnt playing like i was hearing it... it was just playing tracks without crossfading them... anybody know of any programs that actually work?

thanks