The song opens with John Travolta mimicking the vocalist from British rock group The Sweet, their song Ballroom Blitz to be exact, and though Travolta is hardly in Olivia Newton-John's league as a vocalist, he takes the Sonny Bono role to Olivia's Cher on this short and sweet soundbite from a film that was the rage towards the end of the decade. The snappy bass and drum combo give the tune a novel sound for a fifties-style song hitting #1 in April of 1978. It's two-minutes and forty seven seconds of producer/writer John Farrar showing his complete comprehension of what was needed for the film Grease. RSO single #891 went platinum and was covered by such notables as Patti Austin and Brenda Lee which is the bigger compliment to the team of Olivia Newton-John and John Farrar. After incessant radio spins this cheeky epic couldn't help but become annoying, Travolta having to take some responsibility for that, but it was an "instant oldie" and holds up as such decades after it was recorded.