Welsh folk-pop singer-songwriter who achieved international fame in the late 1960s after being discovered by Paul McCartney and signed to The Beatles' Apple Records label.Born in Pontardawe, Wales, Mary Hopkin rose to prominence in 1968 after winning the TV talent show 'Opportunity Knocks'. Her demo tape reached Paul McCartney, who signed her to Apple Records. Her debut single, 'Those Were the Days', produced by McCartney, became a massive global hit in 1968....