[al_borland]

3 is the magic number.

https://youtu.be/J8lRKCw2_Pk

This is the only Schoolhouse Rock I clearly remember and how I can effortlessly count by 3s.

[Jeremy1026]

Blind Melon has a fantastic cover of it too. https://www.youtube.com/watch?v=LVfe6rdHRKI