Book excerpt: 30-Second Rock Music starts with 1950s rock'n'roll (and its roots) and explores blues and folk, progressive and heavy metal, punk, indie and alt rock, profiling extraordinary bands and musicians along the way. Featuring groups as diverse as Wilco, The Killers, Fleetwood Mac, Stevie Wonder and The White Stripes, this book promises rock fans the world tour of a lifetime, from Detroit to Tokyo and everywhere in between.