Three Is a Magic Number
"Three Is a Magic Number" is the pilot episode of the Schoolhouse Rock! series and the first episode of the program's first season, "Multiplication Rock." The title song, written and sung by Bob Dorough, and its accompanying animated video were created after ad agency co-chairman David McCall observed that his son had learned every Rolling Stones lyric but could not remember multiplication tables. The episode first aired on February 3, 1973.
- Lauer-Williams, Kathy (2010-06-25). "Three is a magic number for Bob Dorough". The Morning Call. Retrieved 2012-01-11.
- Morrison, Mary Kay (2007). Using Humor to Maximize Learning: The Links between Positive Emotions and Education. Lanham, MD: Rowman & Littlefield. p. 52. ISBN 978-1-57886-732-5.
- Millbower, Lenn (2010). Show Biz Training: Fun and Effective Training Techniques from the Worlds of Stage, Screen, and Song. New York: American Management Association. p. 55. ISBN 978-0-8144-7157-9.