If "Keep On Movin'" is to be believed, King Tuff's guitar doesn't shred, it "drools." That's an appropriate visual: The greasy, catchy garage-pop on the Vermont-bred singer's second record sneers like convenience store parking lot stoners. Black-and-blue bruisers "Anthem" and "Bad Thing" benefit from some chicken-fried riffing, but Tuff is just as good in the slower moments. The dewy-eyed, piano-bar gospel of "Swamp of Love" suggests that, under the leather jacket and taco-stained Ramones T-Shirt, beats a genuine human heart.

Listen to "Keep On Movin'":

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• Photos: Random Notes

“I'm Yours”

Jason Mraz re-emerged after his disappointing second album with this lead single, a Jack Johnson-esque ditty about giving yourself fully to someone else. The success of the reggae-tinged song (it earned two Grammy nods and a spot on the Billboard singles chart for well over a year) was something the folk-pop singer never predicted when he wrote it in 15 minutes at home. "I played a happy-hippie chord progression that would probably work without 50 different Bob Marley songs," he told Rolling Stone. "I thought, 'It's too novelty. This is a nursery rhyme,'" concluding that "you can never guess what's gonna be a hit."