Watch Alt-J Recruit Questlove for Winding In Cold Blood on Fallon


Alt-J unleashed the new single In Cold Blood on Tuesdays Tonight Show.The British indie-rock trio were joined by Roots drummer Questlove, who beefed up the drum attack, and a guest horn section that offered dramatic swells and soulful counter-melodies.

Singer-guitarist Joe Newman led the band through multiple rhythmic shifts and tempo changes, anchoring the unusual song structure with a sing-along chorus.

The track appears on Alt-Js upcoming third LP, Relaxer, out June 2nd. The eight-track album, which follows 2014s This Is All Yours, also features the equally sprawling 3WW. Last week, the trio released thats tracks mysterious video, which features a funeral procession in the mountains of Mexico.

Alt-J will kick off a North American tour July 27th in Baltimore, Maryland. The trek runs throughout mid-November and includes spots at festivals like Panorama and Outside Lands.