Okay, I'm not doing a tutuorial. You can find anything you want to know about them either at their website or their wikipedia page. You can't rock out to wikipedia, though, so here are a few of my favorites.
No Sleep Till Brooklyn. Rockin' the party eight days a week -- revel in the hairbandness of it all.
Sure Shot. Any flautists in the house? Directed by Spike Jonze.
Sabotage. Also directed by Spike Jonze, possibly the funniest video ever. Unless L is reading this in which case it IS the Funniest.Video.Ever.
Intergalactic. Because how can you NOT love a robot doing the Robot?
Have a great weekend.