It's always great to see the talent and creativity from fans in the C&C community. Here's a great sounding fan made remix of Frank Klepacki's Hell March trilogy, from all three Red Alert games, made by smiechu85. This medley was recorded, edited, mixed, and mastered in his own home studio.
http://www.youtube.com/watch?v=bTVp7r56HpQ
A high quality download can be found here.