Photo by Dave Benett/Getty Images

U2 debuted a new song called “Atomic City” during a pop-up performance in Las Vegas.

During the performance, Bono referred to “Atomic City” as “a rock ‘n’ roll 45 in the tradition of ’70s post-punk, Blondie, the Clash, some ’70s punk … We’ll take it from everywhere.”

This surprise gig was also a music video shoot. Bono and the band ran through “Atomic City” several times, allowing the cameras to catch them from all different angles. An enthusiastic crowd of fans was on hand for the performance, and some may even get the chance to be in the video.

Notably, the performance included drummer Larry Mullen Jr., who is still recovering from back surgery. He will not be playing with U2 for their Achtung Baby Las Vegas residency later this month.