On this day in music history: June 10, 1978 – “You’re The One That I Want” by John Travolta And Olivia Newton-John hits #1 on the Billboard Hot 100 for 1 week. Written and produced by John Farrar, it is the the third US chart topping single for the British born/Australian raised pop singer and the biggest hit for the New Jersey born and raised television star turned film actor. Shortly after filming his breakthrough role in the film “Saturday Night Fever”, co-producers Robert Stigwood and Allan Carr choose actor John Travolta to play the male lead character Danny Zuko in the film adaptation of the hit Broadway musical “Grease”. Prior to starring in the film, Travolta appeared in the musical during its run on Broadway, at different times playing the characters Kenicke and Doody. For the film version, the producers select singer Olivia Newton-John to portray the female lead Sandy Dumbrowski at the suggestion of John Travolta. Olivia Newton-John’s producer John Farrar is commissioned to write new songs for the film not featured in the original stage production, including “Hopelessly Devoted To You” (#3 Pop) and “You’re The One That I Want”. The latter song is featured in the films climatic scene at the carnival. “You’re The One That I Want” is released in March 1978 as the first single from the soundtrack album, ten weeks ahead of the films June 16, 1978 opening. The single is an immediate hit, entering the Hot 100 at #65 on April 1, 1978, it races to the top of the chart ten weeks later. It also tops the charts in a dozen other countries around the world, and helping drive the soundtrack album to over sales of over twenty eight million copies worldwide. “You’re The One That I Want” is certified Platinum in the US by the RIAA.