The film Melody is an educational Adventure in Music animated short 
produced by Walt Disney Productions, and released to theaters by
RKO Radio Pictures. It was the first cartoon filmed in 3D and was the
first in a proposed series of shorts teaching the principles of music. 

The 3D process never really caught on with theater audiences because
of the need to wear the polarized glasses, but the cartoon remained a
novelty at Disneyland for several years.

Professor Owl teaching musical principles to his class.

Kemal Amen "Casey" Kasem was born in Detroit, Michigan. 
(April 27, 1932 – June 15, 2014)

Kasem was a famed voice actor and disc jockey of American Top 40. He
provided the voice of Shaggy in the animated Saturday morning cartoon
Scooby-Doo (1969-1997/2002-2009) on CBS/ABC.

 

Charles Monroe Schulz (November 26, 1922 – February 12, 2000)

MIKE GRACIA

The Osmonds song first It hit the top of the chart on February 13,
1971 and stayed there for five weeks. It also reached number six
on the R&B chart. It was written by George Jackson, who originally
had the Jackson 5 in mind for the song.  "One Bad Apple" was also
used as the theme to The Osmonds cartoon show on ABC-TV.