On December 7, 1941, 16-year-old Cal Tjader won a Gene Krupa drum contest playing "Drum Boogie" on the same morning Pearl Harbor was attacked. This deep dive traces how a Swedish-American kid born in St. Louis in 1925 to vaudeville parents became the most successful non-Latino musician in the history of Latin jazz. Raised in the Bay Area with a classically trained pianist mother and a tap-dancing father, he performed as "Tjader Jr." and appeared on film alongside Bill "Bojangles" Robinson before serving as a Navy medical corpsman through five Pacific invasions.

The episode follows his time drumming for the Dave Brubeck Octet and trio, the 1951 diving accident that sidelined Brubeck and pushed Tjader to teach himself the vibraphone, his exposure to Afro-Cuban music through bassist Al McKibbon in George Shearing's band, and the Cal Tjader Mod ...