For a true rock ‘n' roll believer like Billy Idol, the classics are always the best. You can hear echoes of the glam attack of Marc Bolan and David Bowie in his howling delivery and breezeblock riffs. But his heart belongs to the dark, sardonic passion of The Doors and the rolling raunch of The Rolling Stones, fired up by the aggression and velocity of MC5 and The Damned.