"They’re not jazz, they’re more like folk and blues, but the duo Gutpuppet (Scot Ray on slide guitar, Bill Barrett on harmonica) can play to an avant-leaning audience because of the quality of their musicianship and the originality of their sound. Their new album, “4,” continues to stretch in new directions, with Ray’s acoustic slide guitars (up to 22 strings!), banjo and dobro jangling and scraping sensually, while Barrett demonstrates unsurpassed technical command of his chromatic mouth harp. Shitkick stuff, keening India mojo, balladic meditation -- all of it’s supremely listenable; your kids will even dig it. Wait a minute, is this entertainment? Yeah, it’s art too, but don’t tell anybody."
- Greg Burk, Metaljazz.com