Watch 3 Rivers Progressive Rock Festival (2008) : Full Movie Online Free The 2008 3RP Festival DVD is 215 minutes of live performance video from every band that played the 2008 festival. Performances from Flower Kings, Neal Morse, Spock's Beard, California Guitar Trio, Rocket Scientists, Gongzilla, Mandrake Project, IZZ, Kalon, and Manifesto.