Blue Train (often listed as Blue Trane) is a blues-based jazz composition written by John Coltrane, first recorded on September 15, 1957, at Rudy Van Gelder Studio in Hackensack, New Jersey, and released in January 1958 on the album Blue Train for Blue Note Records. The session marked Coltrane's first and only date as a leader for Blue Note, a significant moment of artistic independence following his sideman work with Miles Davis and Thelonious Monk. The composition features a haunting, suspended melody set over a blues form with unconventional harmonic touches, including sharp-9 voicings that give the piece its distinctive minor-tinged quality. The theme emphasizes the 5th, flat 7th, and 9th of the underlying chords, embedding blues tension within a hard bop framework that supports extended improvisation. The original recording features a stellar sextet of Coltrane on tenor saxophone, Lee Morgan on trumpet, Curtis Fuller on trombone, Kenny Drew on piano, Paul Chambers on bass, and Philly Joe Jones on drums. The album is widely regarded as one of the masterpieces of hard bop, and the title track has become a defining standard in the jazz repertoire, frequently performed and studied by musicians at all levels. On AllSolos, the composition is represented through solos by all five horn and rhythm section members from this landmark 1957 session.