Cypress Hill were notable for being the first Latino hip-hop superstars, but they became notorious for their endorsement of marijuana, which actually isn't a trivial thing. Not only did the group campaign for its legalization, but their slow, rolling bass-and-drum loops pioneered a new, stoned funk that became extraordinary influential in '90s hip-hop -- it could be heard in everything from Dr. Dre's G-funk to the chilly layers of English trip-hop. DJ Muggs crafted the sound, and B Real, with his pinched, nasal voice, was responsible for the rhetoric that made them famous. The...