The model Twiggy first saw Mary Hopkin winning the British television talent show, Opportunity Knocks. She then recommended her to Paul McCartney and became one of the earliest signings to the Beatles’ Apple label. Apple Records was a division of Apple Corps Ltd. Other signings at the time included James Taylor, Badfinger and Billy Preston.
‘Those were the Days’ went to number one in the UK charts and was one of Apples’ most successful singles. ‘Goodbye and ‘Knock, Knock Who’s There’ were follow up hits for Mary.
Apple Records and Apple Publishing signed a number of acts whom the Beatles personally discovered.One or more of the Beatles would be involved in the recording sessions in most cases.