LAB is the Finnish alternative rock band. (1)
LAB in caps is the Californian rock band. (2)
LAB is also a Portuguese Psychedelic Trance producer. (3)
Lab° is a French Dub-Rock band. http://www.last.fm/music/Lab° (4)
L.A.B.is a Swedish psy-trance producer, member of the underground label Schlabbaduerst Rekkords , with legendary track relase on Schlabbaduerst Rekkords vol 5, named Ripoff. (1)Lab is a band of five friends, one of which is a girl. She can't play anything, so she is the singer.

Read more about LAB on Last.fm.