Last updated on:
February 13, 2026

Leon Thomas

Amos Leon Thomas Jr. , known professionally as Leon Thomas, was an American jazz and blues vocalist, born in East St. Louis, Illinois, and known for his bellowing glottal-stop style of free jazz singing in the late 1960s and 1970s.

Leon Thomas "Mutt" cover art
Artwork via Apple Music / iTunes
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Overview

Amos Leon Thomas Jr., known professionally as Leon Thomas, was an American jazz and blues vocalist, born in East St. Louis, Illinois, and known for his bellowing glottal-stop style of free jazz singing in the late 1960s and 1970s.

Career

Career highlights

[Spotify] Appears on album "Mutt". [Genius] "MUTT" is the title track and lead single from Leon Thomas's recently released second album. Produced by D. Phelps and Freaky Rob, "MUTT" emerged from the ashes of a bad breakup when Thomas noticed similarities between himself and the dog his ex had given him during their relationship.

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Latest

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Leon Thomas "Mutt" cover art

Mutt earns RIAA 2x Platinum for Leon Thomas, recognizing 2,000,000 units on October 9, 2025.

Leon Thomas Earns RIAA 2x Platinum for "Mutt"