<P> "I'd Like to Teach the World to Sing (In Perfect Harmony)" is a pop song that originated as the jingle "Buy the World a Coke" in the groundbreaking 1971 "Hilltop" television commercial for Coca - Cola . "Buy the World a Coke" was produced by Billy Davis and portrayed a positive message of hope and love, featuring a multicultural collection of teenagers on top of a hill appearing to sing the song . </P> <P> The popularity of the jingle led to it being re-recorded by The New Seekers and by The Hillside Singers as a full - length song, dropping references to Coca - Cola . The song became a hit record in the US and the UK . </P> <P> The idea originally came to Bill Backer, an advertising executive working for McCann Erickson, the agency responsible for Coca - Cola . Backer, Roger Cook and Billy Davis were delayed at Shannon Airport in Ireland . After a forced layover with many hot tempers, they noticed their fellow travelers the next morning were talking and joking while drinking Coca - Cola . Backer wrote the line "I'd like to buy the world a Coke" on a napkin and shared it with British hit songwriters Cook and Roger Greenaway . </P> <P> The melody was derived from a previous jingle by Cook and Greenaway, originally called "True Love and Apple Pie" that was recorded in 1971 by Susan Shirley . </P>

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