'Workout' features a mix of original compositions and jazz standards, highlighting Mobley's ability to blend sophisticated harmonies with rhythmic complexity and is regarded as one of Mobley's finest works. The album is praised for its engaging arrangements and the strong interplay between the musicians, the tracks feature rhythmic grooves and vibrant solos, which became characteristic of the hard bop movement. Released in 1962, is considered a classic in the jazz genre, particularly within the hard bop style. Frequently included on lists of essential jazz albums.