Who toured with Buddy Holly in 1959?

In 1959, Buddy Holly toured with several acts as part of the Winter Dance Party tour. Notable performers included Ritchie Valens, The Big Bopper (J.P. Richardson), and Frankie Sardo. This tour tragically ended when Holly, Valens, and The Big Bopper died in a plane crash on February 3, 1959, a day now referred to as "The Day the Music Died."