According to party line, neither Beck nor Geffen ever intended Mutations to be considered as the official follow-up to Odelay, his Grammy-winning breakthrough. It was more like One Foot in the Grave, designed to be an off-kilter, subdued collection of acoustic-based songs pitched halfway between psychedelic country blues and lo-fi folk. The presence of producer Nigel Godrich, the man who helmed Radiohead's acclaimed OK Computer, makes such claims dubious. Godrich is not a slick producer, but he's no Calvin Johnson, either, and Mutations has an appropriately clean, trippy feel. There's little question that with the blues, country, psych, bossa nova, Read more on Last.fm.