Justin Lloyd Adams (June 1, 1923 - July 2, 1991)[1] was an American jazz and rhythm and blues guitarist/banjoist[2] who performed and recorded for more than forty years.

[4] His parents Placide Adams, Sr. and Odalie M. "Dolly" Douroux lived in Ward 15, the Algiers neighborhood, on the West Bank of the Mississippi River.

Besides performing in the bands of Kid Ory, Manuel Perez, and Oscar "Papa" Celestin, Manetta taught trumpeters Buddie Petit and Henry “Red” Allen, among others.

After his discharge he joined his family's jazz group which consisted of mother Dolly on piano, and brothers Placide, Jr. on drums and Gerald on bass.

[12] He played behind numerous other artists including Fats Domino, Smiley Lewis, Frankie Ford, Shirley and Lee, Bobby Mitchell, Huey "Piano" Smith, Charles Brown, Amos Milburn, Roosevelt Sykes, Clarence "Frogman" Henry, Professor Longhair, The Spiders, Allen Toussaint, Art Neville, Little Sonny Jones, and Ernie K-Doe.