U2 returned to radio with "Get On Your Boots," which debuted simultaneously around the world today at 8:15 a.m. GMT.

It was instantly added to Radio 1's B list, XFM daytime, Capital's C list, Absolute's A list and 6 Music's A list, and scored R2's Record of the Week.

The single is the first taste of forthcoming album "No Line On the Horizon" and will be available in the U.K. as a digital download from Feb. 15, with a physical release Feb. 16. The U.S. will follow with a physical release on Feb. 17.

"No Line On the Horizon" will be released March 2 in the U.K. and March 3 in the U.S. The album was produced by Brian Eno, Danny Lanois and Steve Lillywhite, and recorded in Dublin, New York and London.