An oversized red ball gets passed through the crowd at the second set of String Cheese Incident (July 3, 2009).

An oversized red ball gets passed through the crowd at the second set of String Cheese Incident (July 3, 2009).

Fans send messages to String Cheese Incident through balloons (July 3, 2009).

A crowd shot from the first set of String Cheese Incident, which played from 8:45 p.m. to 12:30 a.m. (July 3, 2009).

A crowd shot from the second set of String Cheese Incident, which played from 8:45 p.m. to 12:30 a.m. (July 3, 2009).

Concertgoers jump to their feet for String Cheese Incident (July 3, 2009).

Michael Kang of String Cheese Incident (July 3, 2009).

Jeff Hand of String Cheese Incident (July 3, 2009).

Bill Nershi of String Cheese Incident (July 3, 2009).

Keith Moseley of String Cheese Incident (July 3, 2009).

Michael Kang and Bill Nershi of String Cheese Incident (July 3, 2009).

Kyle Hollingsworth of String Cheese Incident (July 3, 2009).

The crowd cheers, anticipating back-to-back sets of String Cheese Incident (July 3, 2009).

Aerialists perform at String Cheese Incident (July 3, 2009).

Some of the crowd at the String Cheese Incident reunion (July 3, 2009).

Live painting took place on the side of the stage at String Cheese Incident (July 3, 2009).

Hula hoopers perform during Friday night's String Cheese Incident show (July 3, 2009).

Inflatable balls are released into the String Cheese Incident crowd Friday (July 3, 2009).

The String Cheese Incident performing on The Odeum Stage at the Rothbury Music Festival (July 3, 2009)