Bruce Springsteen's Born to Run album- to really appreciate it, you should listen to the whole thing straight through, in order. Amazing lyrics that read like poetry, and it's fun to yell along with the title track.
White Stripes' Elephant album. When I first got this, I played it pretty much nonstop for about two weeks; it's that good.
Soundtrack of The Crow- excellent goth and metal from the early '90's. Especially fine is "After the Flesh" by MLWTTKK.
Rum, Sodomy and the Lash, by the Pogues. Again, this is an album, as opposed to a single track. Good to listen to when it's 3am and he's done something thoughtless and you need to get out of the house and just drive so you can get some distance on the sitch.
I learned the hard way not to listen to Prince in the car when I've got my mom with me. A while back, we'd gone someplace together, and I had been listening to his Hits album- lots of fun, upbeat dance numbers, which momma was enjoying. I left her sitting in the car for a minute while I dashed into the drugstore, and when I came back she was all panicked because the song Sexy MF (really explicit language) started playing and she couldn't figure out how to shut it off! So, she's not a Prince fan anymore.