After releasing a new Dr. Dre-featured track last night, Kendrick Lamar took the late night stage on Late Night with Jimmy Fallon to perform his lead single, “Swimming Pools (Drank),” with legendary hip-hop group The Roots. good kid, m.A.A.d city out October 22nd. Reminder: pre-order your e-copy with features from Drake, Lady Gaga, Dr. Dre and more on iTunes now.