"Summer Nights" Jacobs - Casey) was sung by Barry Bostwick and Carole Demas in the 1972 Broadway production of "Grease". Tony and Golden Globe winner Barry Bostwick was in The Rocky Horror Picture Show, Moby Dick and lots of television series. For more than a decade Carole Demas starred in television's "The Magic Garden" while appearing on countless other series. On Broadway she was in "The Fantasticks", "Barefoot In the Park", "Enter Laughing" and several other noted productions.

Olivia Newton-John and John Travolta hit with "Summer Nights" from the soundtrack of the film "Grease". The single reached number five in 1978. Grease hits like "Sandy", "Hopelessly Devoted To You", "You're The One That I Want" and "Grease" were not part of the original play, but were specially written for the film