Episode 74: The Day the Music Died N3794N

Buddy Holly, J.P Richardson, and Ritchie Valens are tiered of taking their horrible tour bus to and from gigs and decide to charter a Beechcraft Bonanza to take them to their next destination when something goes horribly wrong. What caused their plane to crash in a corn field in Iowa, marking February 3, 1959 the day the music died?