As stated in wikipedia, "this soundtrack album has become "the sixth best-selling soundtrack album of all time."Ġ2 John Travolta, Olivia Newton-John & Cast - Summer NightsĠ3 Olivia Newton-John - Hoplessly Devoted to YouĠ4 John Travolta & Olivia Newton-John - You're the One That I WantĠ6 Frankie Avalon - Beauty School Drop-OutĠ7 Stockard Channing - Look at Me, I'm Sandra DeeĠ9 Cindy Bullens - It's Raining on Prom Nightġ0 Theme - Alone at the Drive-in Movie (Instrumental)ġ2 Sha-Na-Na - Rock 'n' Roll is Here to Stayġ7 Louis St. In America alone, it gets 8 platinums, which means 8 millions copies had been sold. Up until now, millions copies of Grease: The Original Soundtrack has been sold in the entire world. Another single that reached number one couple of months later was "Summer Nights" by the same singers. The singles "You're the One that I Want" by John Travolta and Olivia Newton-John took the top of music charts either in US and UK. Either it was a marketing strategy for the movie or not, this soundtrack album did reach its own success aside from being part of the film with the same title, Grease. In April 1978, the music album Grease: The Original Soundtrack from the Motion Picture was released two months earlier than the movie itself.