Apparently there's nothing in Kabbalah that disallows sweaty, head-spinningly good dance music, because here comes a flame-haired Madonna hawking a dozen songs' worth: Confessions on a Dance Floor darts seamlessly from Madge's early days, when she emerged as the genre's enduring darling, through the political, kiddie, and acoustic pap that drove a wedge between her and early adopters of the fingerless glove look. 
Songs like the pop-leaning "Jump" and first single "Hung Up"--an adrenaline drip on high that, like many of these tracks, will inspire mild shame among those who've thrilled to the much thinner disco-dusted outpourings of younger divas recently--represent both a return to form and an unmistakable march into the future. "Get Together" is a sonic freak-out in the best sense; "Push" traffics in gut-level futuristic trance; and "Forbidden Love" loops...