Louis Cato and the Great Big Joy Machine

Louis Cato and the Great Big Joy Machine is a band originally founded and led by American musician Jon Batiste as Stay Human. They were the house band for Stephen Colbert's late-night talk show The Late Show with Stephen Colbert from September 8, 2015 until the series finale in May 21, 2026. When Batiste departed the show on August 12, 2022, Louis Cato became the new bandleader, and Stay Human was renamed Louis Cato and the Late Show Band, a change that took effect on September 6, 2022. In February 2026, the band adopted its current name.