Columbia Records was founded in 1888 and was the first company to produce pre-recorded records instead of blank cylinders. Some current artists signed to Columbia Records include Adele, One Direction, Aerosmith, and Beyonce. Big Mouth Entertainment's website is currently under construction but they have signed the artist group Ruff Diamondz. Def Jam Recordings was created by Rick Rubin in his dorm room in 1984 and their first releases were LL Cool J and Beastie Boys. They had a short-lived subsidiary label called OBR Records catered toward R&B artists.