Rogue Music is a vintage instrument dealer that has been operating in the Chelsea neighborhood of Manhattan since 1983.
The Beastie Boys had gotten a chunk of settlement money after British Airways had used their song "Beastie Revolution" from the Cooky Puss single in an ad without clearing it. With some of the money, Ad-Rock of the Beastie Boys bought a Roland TR-808 drum machine at Rogue Music in the early 80's.
Ad-Rock then used that drum machine to create the beats for LL Cool J's first single, "I Need a Beat."

