Grammy nominee Papa Roach [ tickets ] has announced the next batch of dates for the first leg of its "Raid the Nation" tour with Orgy [ tickets ] and Alien Ant Farm [ tickets ].

The 21 dates are throughout the East Coast, beginning with a stop in New Orleans on March 17. Besides the U.S. dates, Papa Roach's official website lists an April 15 gig at London's Brixton Academy.

Currently, Papa Roach is in the midst of a European tour, which will cause them to miss Wednesday's Grammy ceremony. The group is up for Best New Artist, as well as Best Short Form Music Video for "Broken Home."

"Broken Home" is the second single from Papa Roach's triple platinum DreamWorks debut "Infest." The band's first single, "Last Resort," hit No. 1 on Billboard's Modern Rock list.

According to Papa Roach's spokesperson, the second leg of the tour, which has not yet been confirmed, will feature Fear Factory [ tickets ] and Alien Ant Farm as openers.