Sonic Youth's distinctive, uncompromising sounds have provided a map for innumerable musicians who followed, from '90s groundbreakers like Nirvana and Pavement to current faves like the Strokes and the Yeah Yeah Yeahs. More than perhaps any other act, Sonic Youth has brought "fringe" art to the mainstream, helping spawn an alternative arts scene that prospers to this day: a world of punk rock, underground films and comics, experimental music, conceptual...