Seminal but (initially) short-lived early-'80s Downtown NYC post-disco crew Liquid Liquid became the name to drop in Brooklyn in 2001, got a bump from DFA in 2004, and started playing together again in 2008. Last night they made their television debut on Jimmy Fallon, performing 1983's "Cavern" with the Roots. The song, initially released on the Optimo EP, found a ...