"All You Need Is Love" is a song by The Justified Ancients of Mu Mu, independently released as their debut single on 9 March 1987. A politically topical song concerning the British media's AIDS furore, the track was initially given a 12" white label release because of its sampling of other records.

The artistic attitude of "All You Need Is Love" epitomised that of The JAMs' subsequent recordings: making use of popular music by taking extensive samples of other artists' work, and juxtaposing these with each other, adding beatbox rhythms and Bill Drummond's Scottish-accented raps, poems and narrations. The JAMs' promotional tactics were similarly unconventional, including the use of promotional graffiti, a guerrilla communication method which would be employed regularly by Drummond and Cauty throughout their career.

Bill Drummond and Jimmy Cauty started working together early in 1987. They assumed alter egos—Kingboy D and Rockman Rock respectively—and adopted the name "The Justified Ancients of Mu Mu" (The JAMs), after the fictional conspiratorial group "The Justified Ancients of Mummu" from The Illuminatus! Trilogy. "All You Need Is Love" was their debut single.

Initially, the song was released as a limited edition one-sided white label promotional 12", on 9 March 1987, by The JAMs' own label The Sound Of Mu(sic). This version included a 15-second sample of The Beatles' "All You Need Is Love", as well as samples of the MC5's "Kick Out the Jams" and Samantha Fox's "Touch Me (I Want Your Body)". The song had been declined by distributors fearful of prosecution, but copies of the white label were sent to DJs and the music press. The identities of Drummond and Cauty were not made known to these recipients (Drummond was actually something of a music business veteran, and Cauty a former member of the much-hyped but unsuccessful band Brilliant). Underground Magazine speculated on this in March 1987: "The whole affair is mysterious, a telephone number only and a threat that the group will soon be releasing more material... 'No, we've not been in bands before, and yes, I suppose we were originally influenced by the Beastie Boys to actually get up and do something...' Too true, but these colonials seem a touch wiser, world weary a bit, but not angry...". In the 28 March 1987 edition, NME revealed King Boy D's identity as Bill Drummond.

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