This album compiles original compositions by Gerry Mulligan, arranged for a jazz orchestra. It was released by Verve Records in 1957, showcasing Mulligan's talent as a composer and arranger.
The recording featured a brass and woodwind section, including musicians like Art Farmer and Bob Brookmeyer. Mulligan led the ensemble from the baritone saxophone, his signature instrument.
The Songbook is considered a masterpiece of cool jazz, noted for its sophisticated harmonies and lyrical melodies. It includes tracks like 'Walkin' Shoes' and 'Bark for Barksdale'.