R ock’n’roll is notorious for its tales of bad behaviour: throwing TVs out of the window, mountains of cocaine, parades of groupies … but you won’t find any of that here. Peter Asher, brother of Jane, one half of Peter and Gordon, and super-successful producer of acts such as James Taylor and Linda Ronstadt, appears to be about as nerdish and clean-living as a 60s/70s music industry veteran could be. Although that might just be what he wants us to think; what are the chances Asher is a complete reprobate away from the camera, and is just brilliant at hiding it? That glasses and ruffled shirt front combo definitely reminds you of someone a tad more sleazy, even before Asher himself reminds you about it in the final credits.

Whatever the truth, Asher by any standards carved an amazing path, making the absolute most of being in the right place at the right time.…