By the end of the seventies, disco music, considered too mainstream, was dead. But DJs and dance floors still needed new records and faster rhythms. Built on synthesizer sounds, the hi-nrg (high energy) style swept the gay clubs before hitting the charts during the eighties.

Despite its Afro-American origins, the history of disco music, the soundtrack of the seventies, would be inconceivable without a handful of legendary European music producers who conjured up some of the biggest world-wide hits in the anonymity of their studios.