jack hartmann

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  Jack Hartmann Music, Music Science is a Snap! Raise Your SciQ DVD

  $19.95
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  Jack Hartmann Music, Music Science Songs All Day Long CD

  $14.95
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  Jack Hartmann Music, Music Bop, Pop & Hip-Hop CD

  $14.95
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  Jack Hartmann Music, Music Jump, Jive & Jiggle CD

  $14.95
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  Jack Hartmann Music, Music Leaping Letter Songs CD

  $14.95
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  Jack Hartmann Music, Music Shine Little Stars CD

  $14.95