One of hip-hop's most exciting producers, Flying Lotus (a.k.a. L.A. abstract beat scientist Steven Ellison), hooks up with one of hip-hop's most elastic word-sorcerers for a tripped-out adventure. Over offhandedly lovely, warp-speed psychedelic soul-jazz, Lamar unleashes a word-mad waterfall with a worried emotional core ("analyze my demise I say I'm......