The ScienceFormed by Toronto DJs producers K. Cut, Sir Scratch, and Queens MC producer Large Professor, Main Source was one of the seminal groups of the East Coasts hip hop scene in 90s. The original trios first and only album Breaking Atoms, was released in 1991 to critical and commercial acclaim, before Large Professor left the group. They recorded a second album, The Science, and even ran ads for it in The Source, before the groups breakup led to its