Randall Craig Fleischer leads the Baltimore Symphony Orchestra and Broadway performers Doug LaBrecque (Show Boat) and Patricia Phillips (The Phantom of the Opera) in a program on the lawn at Baltimore's Oregon Ridge Park of popular Broadway melodies spanning Gershwin ("Fascinating Rhythm") to Bernstein (Overtures to Candide and West Side Story), Porter ("Begin the Beguine") to Webber ("Music of the Night"). The evening, the final program in the BSO season, culminates in a fireworks display. Tonight, Saturday, July 24, at 8 p.m. (Rain date Sunday, July 25.) Attendees are invited to come early for lawn partying and picnicking. Oregon Ridge Park, 13555 Beaver Dam Rd. Cockeysville, Md. Tickets are $18.