Classics for Kids is awesome website for classical music learning for kids! It has many composers they feature with a short radio broadcast, worksheets, and a few games.
April is JAZZ Month and Classics for Kids has a great radio program about Mr. George Gershwin.
You can find it here: https://www.classicsforkids.com/shows/shows.php?id=108
If you would like to explore more about George Gershwin and Jazz Music check out the links below:
Rhapsody in Blue Disney version: https://www.dailymotion.com/video/x35d7eo
Gershwin’s website: http://gershwin.com/publications/rhapsody-in-blue/
Jazz for kids: https://orcd.co/jazzforkids/