Beastie Boys
Beastie Boys were an American rap group. According to an interview with Charlie Rose, the word "Beastie" is the backronym of Boys Entering Anarchic States Towards Internal Excellence.  They formed in 1981 as a punk rock band. Their most famous albums are probably Licensed To Ill (1986) and Paul's Boutique (1989). Licensed To Ill is their first album, and it is an album that is given credit for starting the type of music "rap rock", which is rapping done over rock guitar or beats. Paul's Boutique is an album famous for its use of samples, or snippets of music, and the fact that the samples were put together in creative, interesting ways.