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 ...
Holy Rosary School students were recently treated to a song-filled afternoon from Jack Hartmann, who writes, records, and performs educational songs for children. In photo, from left, Owen Kresge, ...
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.
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