I painstakingly renumber the second disk and rename the album field so that both discs appear to be one long CD. In both the tags as well as the file names.

For instance, my "Delicate Sound of Thunder" looks like this:

Pink Floyd - Delicate Sound Of Thunder - 01 - Shine On You Crazy Diamond (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 02 - Learning To Fly (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 03 - Yet Another Movie (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 04 - Round And Around (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 05 - Sorrow (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 06 - The Dogs Of War (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 07 - On The Turning Away (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 08 - One Of These Days (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 09 - Time (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 10 - Wish You Were Here (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 11 - Us And Them (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 12 - Money (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 13 - Another Brick In The Wall, Part II (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 14 - Comfortably Numb (Live).mp3
Pink Floyd - Delicate Sound Of Thunder - 15 - Run Like Hell (Live).mp3

Hmm, just noticed that I need to fix capitalization on these. Maybe the problem is just in the file names...