Thanks for your help. I'll definitely give the Terminal a shot. And yes, it has copied several songs that it did not copy before. That's part of what confused me so much -- I figured it was a corrupt file, yet it seems to have the error on random songs and never the SAME songs. Really weird.
I had all of my iTunes music stored on a 160 gig external hard drive attached to my Powerbook G4. Well, that hard drive's power supply blew up, frying the drive. Since I had previously backed up my music to 10 DVDs through iTunes, I wasn't worried. I went off to the store and brought home a...