JAZZ LIVE presents the Ray Vega Quintet live from New York City at the Cabaret at Theater Square at 10:30 p.m. Saturday. Vega is a trumpeter, percussionist, composer and arranger. Doors open at 10 p.m. Tickets are $22.50 for table seating, or $20.50 for standing room and rail seating; student discounts are available at $10 per ticket. This show is limited to guests age 21 and older. Call 412-456-6666 or visit the Web site, www.pgharts.org.