On the cover: Christian Marclay (David Toop meets the Swiss-American champion of the Venice Biennale to discuss DJing, video editing, downtown adventures, and radical scores). Features: Collateral Damage (Robin Rimbaud aka Scanner celebrates social networking for pleasure and profit); Cross Platform: Ed Atkins (The British artist generates emotional and perceptual discomfort in his out of synch films); Global Ear: Portmore (Sun Araw's Cameron Stallones on a Jamaican recording trip with dub legends The Congos); Shabaka Hutchings (The versatile London reedsman connects the dots between Cecil Taylor and Schoenberg); Raime (Mark Fisher talks dystopian dubstep and the 1980s interzone with the Berkshire electronic duo); Invisible Jukebox: Chris & Cosey (The former TG stalwarts and techno duo oscillate wildly to The Wire's mystery record selection); Hieroglyphic Being (Feeding off Sun Ra's cosmic emanations and magic numbers, Chicago's Jamal Moss infuses Afro-futurist house with Nubian soul); Bill Orcutt (After leaving foul-mouthed hardcore group Harry Pussy, the American guitarist reinvented himself as a blues mangler par excellence); The Primer: Militant Tuning (A field guide to the war on equal temperament, from Bach's Well-Tempered Clavier to La Monte Young's Well-Tuned Piano); Epiphanies: Performance artist Anat Ben-David praises the transformative experience of improvisation.