i'd like to know when the band was formed
Beastie boys was  formed in 1981
awesome
They were an American hip hop group from New York City
ok, how many people were in the band
Beastie Boys
The Beastie Boys were an American hip hop group from New York City formed in 1981. The group comprised Michael "Mike D" Diamond (vocals, drums), Adam "MCA" Yauch (vocals, bass) and Adam "Ad-Rock" Horovitz (vocals, guitar).
The Beastie Boys were formed as a four-piece hardcore punk band, the Young Aborigines, in 1979 by Mike D (vocals), MCA (bass), John Berry (guitar) and Kate Schellenbach
Stetsasonic
Stetsasonic was an American hip hop group formed in 1981 in Brooklyn, New York City, New York.
History.
Originally, the group was known as The Stetson Brothers, after Stetson hats. There were three MCs, the Human Mix Machine, and Prince Paul. The Stetson Brothers changed its name and style to Stetsasonic the Hip-Hop Band and clinched a deal with Tommy Boy Records when DBC came up with and played the funky bassline for its debut single "If You Can't Say It All