OLD AND NEW:

Mastodon made its name with ambitious and sometimes convoluted concept albums full of progrock-influenced metal. Having gone the heady route for several years, the Georgia band more recently steered toward making concise hard-driving rock songs on the mainstream bid “The Hunter” and the more stripped down new album “Once More ‘Round the Sun.” In a live performance, the old and new, complicated and simple melt together into an intense mix. 6 p.m. Friday at Revention Music Center, 520 Texas; $29.50$35; 713-230-1600, livenation.com