Yeah, they've got Lou Reed, Betty LaVette, Cat Power, the Roots and the Black Crowes (also coming to the Arkansas Music Pavilion in Fayetteville at the end of the summer), but aside from the cost ($60-80) and the miserable bottleneck that is Tom Lee Park and the hours you'll spend waiting in line to use the john, here's a good reason not to make the trek to Memphis in May this weekend: Festival organizers administer a radius clause in performers' contracts that prohibits them from playing Riverfest, too, according Riverfest's DeAnna Korte."We don't feel threatened by it, but we don't think the two events conflict," she says.