"All You Need Is Love" is a song written by John Lennon and credited to Lennon–McCartney. It was first performed by the Beatles on Our World, the first live global television link. Watched by over 400 million in 25 countries, the programme was broadcast via satellite on 25 June 1967. The BBC had commissioned the Beatles to write a song for the United Kingdom's contribution. More: en.wikipedia.org.