Who wrote the music for the Entertainment Tonight theme song?

Who wrote the music for the Entertainment Tonight theme song?
Michael S. Mark wrote the Entertainment Tonight theme song for the launch of that show in 1981.

Today Michael is a seasoned musical performer perhaps best known as a writing and performing collaborator of Tom Chapin. He appeared on Broadway as part of the musical quartet in the 1977 musical I Love My Wife (the quartet won a Drama Desk Award that year) and also was in the on stage musical quartet in Harry Chapin's musical Cotton Patch Gospel. Most recently, he sang the role of the Balladeer in Earl Robinson's Lonesome Train in a performance given at Riverside Church on President's Day. The performance also included David Amram, Ruby Dee, the banjo player Eric Weissberg and Sam Waterson.

Michael can be heard on Tom Chapin's many CD's of children's music and in their performances around the country. He can also be heard on a CD of his own titled "Good to be Here" available at http:/cdbaby.com/cd/michaelmark