"Trane's Blues" is a blues composition by John Coltrane dating from the mid-1950s. The piece is a straightforward hard bop blues head built on a standard twelve-bar blues progression in B-flat, reflecting Coltrane's deep roots in the blues tradition even as he was developing the more harmonically adventurous approach that would define his later work. The melody is soulful and direct, designed as a platform for extended improvisation rather than as a complex compositional statement. Coltrane wrote the tune during his tenure as a sideman in Miles Davis's first great quintet, and it was recorded in May 1956 during the marathon Prestige sessions that produced multiple albums' worth of material. A version also appeared on Paul Chambers's Blue Note album "Whims of Chambers" from the same period, with Coltrane joined by Kenny Drew on piano and Philly Joe Jones on drums. Within Coltrane's body of work, the composition represents his pre-"Giant Steps" phase, when his playing was rooted in functional harmony and blues-based forms before his explorations of sheets of sound, modal jazz, and eventually free improvisation. The tune occupies a modest place in the jazz repertoire compared to Coltrane's more celebrated compositions, but it serves as a valuable document of his early artistic identity and his ability to invest a familiar form with personal expression and intensity.