Jay Gruska (/ˈɡrʌskə/; born April 23, 1952) is an American songwriter and composer best known for his film and television scoring, and for writing hit songs for a variety of artists.
He has composed musical scores for dozens of TV dramas, with over 500 hours of shows played internationally.
Some of his best-known scores are for the TV shows Lois & Clark: The New Adventures of Superman, Charmed, and Supernatural.
Gruska is also known for co-writing the hit duet "Tell Me I'm Not Dreamin' (Too Good to Be True)" for Jermaine and Michael Jackson; the Gloria Loring/Carl Anderson duet "Friends and Lovers" (also released in a country version under the title "Both To Each Other (Friends and Lovers)," performed by Juice Newton and Eddie Rabbitt); and Amy Grant's "Good for Me".
[6] Gruska wrote and produced two songs for the episode (co-writing the lyrics with screenwriter Robbie Thompson).