* Horrible Histories on the BBC
* The Wikipedia entry about the TV series, with details about the shows.
* A tip of the hat to Melissa Wiley, who led me to this by pointing out a Horrible Histories song about Charles Dickens.
* From University of Pittsburgh's Voices Across Time: American History through Music
* Time Out London made a list of 100 songs that changed history
* World History through Heavy Metal Songs
* The History for Music Lovers YouTube channel