His Final Work is an album credited to Charles Mingus, released in 1977. His Final Work is a reissue of Lionel Hampton Presents Charles Mingus, released in 1977, which was also reissued as The Music of Charles Mingus and credited to Lionel Hampton. His Final Work comprises the final recording session that Mingus played an instrument on. Shortly after the completion of the recording sessions, Mingus was diagnosed with Amyotrophic lateral sclerosis which would lead to his death.The album features arrangements of Mingus's compositions by Paul Jeffrey.