Longtime friends Perpetual Groove and Moonshine Still performed one of their interlocking Moon Grooves Saturday at Milledgeville , GAs Sweetwater Festival. During Perpetual Grooves set the members of Moonshine Still filtered onto the stage for a duel band cover of Princes Kiss. Similarly, during Moonshine Stills set Perpetual Grooves Brock Butler played guitar on the Cars Moving in Stereo and the Talking Heads Na Melody. Also, during its set Perpetual Groove covered Moonshine Stills This Fall, while Moonshine Still covered Perpetual Grooves Three Weeks during its performance. Perpetual Groove will perform Athens, GAs The Goergia Theatre Benefit Wednesday, while Moonshine Still performs next at Quincy, FLs Down on the Farm Festival Friday.