http://imdb.com/title/tt0067587/

Play It Again, Charlie Brown (TV Short 1971)
7.6/10 from 590 users Updated : 2018-03-16
Animation , Short , Comedy , Family
Pamelyn Ferdin , Stephen Shea , Danny Hjeim , Hilary Momberger-Powers , Lynda Mendelson , Christopher DeFaria , Chris Inglis
Bill Melendez
1971
In order to win the ever resistant Schroeder's affections| Lucy follows Peppermint Patty's advise and talks him into performing for a PTA meeting. Unfortunately|
Patty| in her usual level of sensitivity| fails to mention until after Schroeder's agreement that only rock music will be on the program. Now Lucy| knowing that
Schroeder would never agree to that| must find a solution.