[2] The song is based on several Peanuts comic strips written by Charles M. Schulz.
During the scene of the show, the music begins as Charlie Brown is center stage as Linus and Lucy enter.
Linus finds Lucy very intelligent, for he is not aware the facts are incorrect.
Charlie Brown, exasperated, exclaims "Oh good grief!
Lucy explains about the bark, and, only in the revival, sings the ending line.