Photos: Mastodon at Amoeba Music

Music fans hold up their Mastodon patches before the band performed at Amoeba.

The set list is posted on stage before Mastodon’s performance

Mastodon’s Troy Sanders, Brent Hinds, Brann Dailor and Bill Kelliher.

Mastodon drummer Brann Dailor shows off his left in-ear monitor, with Matt Damon pictured on it, and his right in-ear monitor, with an image of Ben Affleck.

Mastodon bassist Troy Sanders on stage at Amoeba.

Brann Dailor during the performance.

Fans at the Mastodon concert.

Mastodon guitarist Bill Kelliher

Brann Dailor, Troy Sanders and Bill Kelliher.