10 p.m. Fri.-Sat.
Tipitina's, 501 Napoleon Ave., 895-8477; www.tipitinas.com
The Dirty Dozen (pictured), a more than 30-year-old institution and brass band of choice for collaborators like Elvis Costello and Spoon, headlines Friday's Brass Bash with Magnetic Ear, Martin Krusche's explosive brass experiment. The Hot 8 Brass Band headlines Saturday's performance with Billy Iuso & the Restless Natives. Tickets $15 Friday, $10 Saturday.