Scooby-Doo, Where Are You! - Season 3 - Eps 11: The Diabolical Disc Demon
The gang go to Decade Records recording studio to see a live recording from their friend, Jimmy Lewis, but the building is haunted by the Phantom, who is trying to find a song by a missing writer, and will stop at nothing until he gets it.
About Scooby-Doo, Where Are You!

Title: Scooby-Doo, Where Are You!
First Air Date: 1969-09-13
Last Air Date: 1978-12-23
Status: Ended
Rating: 7.8/10 (from 719 votes)
Language: EN
Seasons: 4
Total Episodes: 41
Network: ABC CBS
Genres: Animation, Mystery, Comedy, Kids, Family
Production Companies: Hanna-Barbera Productions
Synopsis
Fred, Daphne, Velma, Shaggy, and the talking dog, Scooby-Doo, travel on the Mystery Machine van, in search of weird mysteries to solve.
Cast

Casey Kasem
Shaggy Rogers (voice)

Don Messick
Scooby-Doo (voice)

Frank Welker
Fred Jones (voice)

Heather North
Daphne Blake (voice)

Pat Stevens
Velma Dinkley (voice)