Schoolhouse Rock #1 Three is a Magic Number
Why the open web links it
A classic educational musical performance teaching multiplication through catchy, memorable lyrics and animation.
Linked by 17 independent sites, 3 of them widely read in the 2026-10 crawl of the open web, including openculture.com, codinghorror.com, laughingsquid.com, cartoonbrew.com, cartoonresearch.com.
Cited in 1 Wikipedia article, including January 1973.