Pictures 7-8-12 Allegheny County Summer Concert Series July 9, 2012 / 11:03 AM EDT / CBS News 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series 7-8-12 Allegheny County Summer Concert Series