Berkeley bassist and composer Lisa Mezzacappa brings the latest incarnation of her working band to The Back Room for a raucous and rollicking suite of original music. Her 5(ish) ensemble plays selections from its 2026 release othrwrldly, which explores the concept of worldbuilding inspired by speculative fiction. The show also features special guest The Holly Martins, a trio of Bay Area musicians dedicated to exploring the boundaries of jazz-infused improvised music.