We are thrilled to welcome Aaron Van Oudenallen, the saxophone technocrat recently known as Aaron Gardner, as a band leader. He will be joined on stage by Steve Peplin on guitar, John Christiensen on bass, and Hannah Johnson on drums.

Martini Jazz Lounge, every Thursday, 6:30 to close. Martinis and Cosmos, $8. Cover, $0.

Next week: Juli Wood Trio