On the surface, Messy Jiverson seems like your average jam band. Dudes with beards? Check. Ridiculous band name? Check. Lots of wah-wah guitar? Check and mate. But appearances are deceiving, as the six-piece hits that sweet spot that so few jam bands manage to find: an allegiance to the groove abetted by topnotch musicianship. Led by a barrage of vintage keyboards (and, yes, plenty of wah-wah guitar), Messy Jiverson finds a riff and manages to squeeze every last drop of joy out of it. And while hippy-dippy noodle dancers are certainly welcome to the party, the band's ability to pump out the disco-funk jams brings a certain verve to the music not normally produced by six white boys.