The Eagles of Death Metal take big steps forward with each of their albums, making their scuzz-rock sleeker and catchier without sacrificing its sludgy hedonism: Death by Sexy added seedy glitz and extra sneering to Peace Love Death Metal's gleefully low-rent Rolling Stones worship, and Heart On ups the ante again. Jesse Hughes and Josh Homme boil down their fetishes for boogie rock, disco, glam rock -- and above all, strutting riffs -- into its most combustible essence while also finding far more shades and moods in it than they have before. Kicking off with "Anything 'Cept the Truth"'s massive swagger, Heart On is top-loaded with addictive rockers. "Secret Plans"'' climbing riff and "I want what I want what I want" are pure id, and "Wannabe in L.A." picks up where Death by Sexy's "I Want You So Hard (Boy's Bad News)" left off, delivering effortlessly catchy late-2000s hedonism (at this point, "I'm burnin' gas until I feel all right" sounds way more decadent than sex or drugs). "(I Used to Couldn't Dance) Tight Pants" and "High Voltage" are the Eagles of Death Metal at their most louche and kinetic, soundtracking a long night out with grinding riffs and low-slung basslines. ...