VIDEO: Future Islands Perform 'For Sure' on THE LATE SHOW

Future Islands, the geniuses behind a now-legendary moment on the Ed Sullivan Theater stage, make their A Late Show debut with this performance of "For Sure" off their highly anticipated new album "As Long As You Are" which comes out this Friday.

Watch the performance from "The Late Show With Stephen Colbert" below!

The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via CBS All Access, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.