Here is a Day in the Life of a Rockstar to your children. Hartmann teaches them the ABCs and other educational material at the preschool and primary level. Usually, Hartmann begins his day with a ...

To parents with younger kids, Jack Hartmann is a household name. The 71-year-old has written and recorded over 1500 children’s music videos.

With millions of followers and decades of combined experience, two of the most trusted names in educational children’s music come together to inspire the next generation. In a move that has ...

PINELLAS COUNTY, Fla. — When you sit behind the scenes watching Jack Hartmann make his nearly 1,800th YouTube video, you quickly realize why the children’s educational, singing sensation has nearly 1 ...