Those Were the Days her single, produced by Paul McCartney, arrived in Great Britain in August 1968 on the Apple label and reached there a first place (and a second place in the United States). It is an adaptation of the Russian song Dorogoj dlinnoju by Boris Fomin and text writer Konstantin Podrevskii.
Also she performed a composition by McCartney (officially a Lennon/McCartney track) with the title Goodbye, which McCartney also produced. Both numbers are on numerous compilation albums, but that are almost always re-recorded versions, because Apple virtually never consent to giving its numbers on such albums.
Mary spent three LPs from on the Apple label: postcard, Earth Song Ocean Song and Those Were the Days.
In 1971 married Hopkin with record producer Tony Visconti. She sang after much less to have sufficient time for her family. Hopkin and Visconti divorced In 1981 . They still sang as a Hobby horse in collaboration with her husband Summertime Summertime. The barely two-minute summer hit in 1972 was a success in Germany and Netherlands. It was nine weeks in the Top 40 peaking at listing a seventh position. In the Hilversum 3 Top 30 it came even to the fifth place. On the B side of the new single is Sweet and Low.
Almost the entire oeuvre of Mary Hopkin is released and remastered again in 2010.