Red Boy Blues is an original blues composition by tenor saxophonist Lester Young, recorded on December 1, 1955, during a small-group session for Verve Records with Oscar Peterson on piano, Herb Ellis on guitar, Ray Brown on bass, and Buddy Rich on drums. The piece showcases Young's distinctive approach to the blues, emphasizing horizontal, melodic phrasing over strict harmonic adherence. Rather than outlining chord changes vertically, Young characteristically plays within a broader harmonic zone, employing scale-based figures, rhythmic displacement across bar lines, and an impressionistic use of sixths and ninths that creates a light, ethereal quality even within a blues framework. This linear, melody-first conception was a hallmark of Young's style that had profoundly influenced an entire generation of saxophonists since the 1930s. Red Boy Blues belongs to Young's late-career period of intimate, piano-led small-group sessions, representing a shift from his earlier big band work with Count Basie toward more introspective settings that highlighted his evolved melodic and rhythmic sensibility. The tune appeared on the album Pres and Sweets alongside other originals and standards from the same session. It has not entered the broader jazz repertoire as a commonly performed standard and remains a deep cut primarily associated with Young's discography, valued by listeners and scholars for its window into his mature blues conception.