I was recently thinking about the music of WoW and how awesome it is, even the old stuff.
Thus, this Queue is dedicated to awesome music.
Is there any reason why my rogue has all kinds of frame rate issues that my other toons don't? My paladin can pull whole instances when farming for transmog, but my rogue hits 3 fps every other trash pull when running 5 mans. From time to time I get an error saying one of my addons is running in to a lot of errors(naturally it won't say which add on), but I run the same mods on every toon. My rogue runs even less than the others.
Chances are it's a problem with an addon that is doing something special for your rogue. Make sure you have everything updated. That usually solves things for me.
If that doesn't work, however, turn off all your addons and then start turning them on one by one. Eventually you'll find the offending culprit.