Prog, punk, disco... the 1970s were nothing if not innovative when it came to the records and genres on offer – and the biz was changing too. The BBC first employed a woman to present a regular show on Radio 1, technological advancement yielded new formats, which in turn influenced artistic development, while The Rolling Stones were reinventing the record deal and the Sex Pistols were ripping up the PR rulebook. With the ’70s also boasting the release of ...