Lou Jordan was a notable American jazz musician and songwriter in the mid-20th century. His musical style, characterized by a smooth blend of jazz, blues, and pop, was distinctive for its time. Jordan was known for his ability to infuse humor into his songs, creating a unique niche within the jazz genre. His significant works include "Is You Is or Is You Ain't My Baby" and "Choo Choo Ch'Boogie," which have become standards in the jazz repertoire.