OK, so the new single “Lights & Music” from Australian disco dudes Cut Copy is a couple laps late on the blog-house/Italo revival. And in the accompanying video, everyone in the band is looking exactly a foot away from the camera, to an oddly detached effect. But still, after a year where M.I.A. took our wallets while we did the shotgun-cocking dance to “Paper Planes,” Skull Disco loosened our fillings with sub-bass and a string of great stuff on Kompakt made us fear German efficiency all the more, it’s nice to get a playbook dance single making all the right moves — shimmering arpeggios, chilly harmonies and threadbare guitar licks. DFA’s in-house producer Tim Goldsworthy midwifed it for Cut Copy’s upcoming album on Modular, “In Ghost Colours,” but the real treat is the band’s mp3 DJ mix of where its collective head was while writing it. Moroder and Fleetwood Mac on the same mix! Someone get me some tissues for this sudden, unstoppable nosebleed.– August Brown