The clich+¬ about David Bowie is that he was a musical chameleon, adapting himself according to fashion and trends. While such a criticism is too glib, there's no denying that Bowie demonstrated a remarkable skill for perceiving musical trends at his peak in the '70s. After spending several years in the late '60s as a mod and as an all-around music hall entertainer, Bowie reinvented himself as a hippie singer/songwriter. Prior to his breakthrough in 1972, he recorded a proto-metal record and a pop/rock album, eventually redefining glam rock with his ambiguously sexy Ziggy Star...