Downfall of the world's most debauched record label: A broom cupboard hiding a sordid sex den. A secret budget for rock stars' drugs. But it all came crashing down... when Sir Paul McCartney accused EMI of becoming too boring ⊖⊖

In the 1970s - the golden age of rock - EMI was the biggest record company in the world. It thrived in an era when much of the British industry was in the doldrums, crippled by strikes and power cuts.