Beto O’Rourke had more important things to do on Thursday, the former US Senator candidate went to see Metallica’s sold-out show in El Paso.

Beto has roots in punk music, being a bassist for Foss with Cedric Bixler-Zavala, later of At the Drive-In and the Mars Volta. Last month, HBO announced that they’d be distributing a new documentary about the campaign after it’s SXSW premiere this year.