Box Office and outdoor stage, Ridge Avenue near 33rd St, (the edge of Fairmount Park) Philadelphia.
215/685-9560.
E-Mail.
Box Office Hours: 10am-5pm (M-F) or TicketMaster.
There's nothing cooler than sitting under the stars on a summer night and watching the O'Jays spin around onstage, or humming along to a Gospel show, or getting all warm to Ashford & Simpson. Unless you'd rather come for the Caribbean Festival.