The song ‘Wonderful Christmastime’ was written and performed by Paul McCartney in 1979.
‘Wonderful Christmastime’ was released as a single in November 1979 and became a popular Christmas song. It was later included on McCartney's 1989 album ‘Flowers in the Dirt’. The song has been covered by many artists, including Demi Lovato, The Shins, and Jimmy Fallon.