Following their sold-out gig at the legendary Madison Square Garden Monday night (March 30), British art-rockers Alt-J have announced new dates for their extensive North American tour. You can get ticket information for the new dates here -- and check out the full itinerary below.

Taking advantage of their time in New York City, Alt-J also performed on The Tonight Show With Jimmy Fallon last night (March 31). Check out their rendition of “Every Other Freckle” below:

Alt-J’s sophomore effort, This Is All Yours, hit store shelves last year and received a Grammy nod for Best Alternative Music Album (losing to St. Vincent). Additionally, Diffuser was proud to award the disc the No. 1 spot on our list of the best albums of 2014.

Alt-J 2015 North American Tour
April 1 -- Cleveland, Ohio -- State Theater at Playhouse Square
April 2 -- Pittsburgh, Pa. -- Benedum Center
April 3 -- Raleigh, N.C. -- Red Hat Amphitheatre
April 4 -- Atlanta, Ga. -- Chastain Park Amphitheatre
April 6 -- Nashville, Tenn. -- Grand Ole Opry
April 8 -- Oklahoma City, Okla. -- Chevy Bricktown Events Center
April 11 -- Indio, Calif. -- Coachella Music Festival
April 13 -- Las Vegas, Nev. -- The Joint
April 14 -- Santa Barbara, Calif. -- Santa Barbara Bowl
April 16 -- Berkeley, Calif. -- Greek Theatre
April 18 -- Indio, Calif. -- Coachella Music Festival
July 24-26 -- Oro-Medonte, Ontario -- WayHome Music & Arts Festival
July 25 -- Kansas City, Kan. -- Sporting Park
July 27 -- Morrison, Colo. -- Red Rocks Amphitheatre
July 28 -- Council Bluffs, Iowa -- Stir Concert Cove at Harrah's Council Bluffs
July 31 -- 8/2 -- Chicago, Ill. -- Lollapalooza
July 31 -- 8/2 -- Montreal, Q.C. -- Osheaga Festival
Sept. 12 -- Burnaby, B.C. -- Festival Lawn at Deer Lake Park
Sept. 14 -- Edmonton, Alberta -- Shaw Conference Centre
Sept. 15 -- Calgary, Alberta -- Stampede Corral
Sept. 17 -- St. Paul, Minn. -- Roy Wilkins Auditorium
Sept. 19 -- Indianapolis, Ind. -- Farm Bureau Insurance Lawn at White River State Park
Sept. 21 -- Cincinnati, Ohio -- PNC Pavilion at Riverbend Music Center
Sept. 22 -- Rochester Hills, Mich. -- Meadow Brook
Sept. 23 -- East Rochester, N.Y. -- The Armory
Sept. 25 -- Philadelphia, Pa. -- Festival Pier at Penn's Landing
Sept. 29 -- Charlotte, N.C. -- Uptown Amphitheatre
Sept. 30 -- Orlando, Fla. -- Hard Rock Live
Oct. 1 -- Miami, Fla. -- Klipsch Amphitheater at Bayfront Park
Oct. 7 -- New Orleans, La. -- Bold Sphere Music at Champions Square
Oct. 8 -- Birmingham, Ala. -- Oak Mountain Amphitheatre
Oct. 9 -- Southaven, Miss. -- BankPlus Amphitheater at Snowden Grove
Oct. 14 -- Phoenix, Az. -- Comerica Theatre
Oct. 17 -- Portland, Ore. -- Veterans Memorial Coliseum
Oct. 18 -- Seattle, Wash. -- Key Arena