World Cafe Liveʼs Jazz Jam will make a splash with composer-pianist Orrin Evans and his house band kicking off a rotating lineup of various musicians featuring guest artists from Imani Records. Instrumentalists and vocalists also can sign up and sit in on stage throughout the musical evening. The opening of the show is in the cool and capable hands of jazzer Orrin Evans, who has landed Grammy Award nominations for his Smoke Sessions albums The Intangible Between and Presence. 8:30 p.m. EST to 11:30 EST. The Lounge at the World Café Live, 3025 Walnut St. Email: [email protected], 215-222-1400 or http://www.worldcafelive.com/events.