The Alexander Brothers were an American pop music duo who achieved minor success as Mercury Records artists in the early 1950s. Their recording of " Goodnight Irene" charted briefly in September 1950. [1] "Goodnight Irene" was recorded in 1950 as part of a four-song session which included the song Mona Lisa [2] which received notice from trade publications. [3] Later that year they provided vocals in a session by Mr. Goon-Bones & Barney Lantz. [4] Another four-song session for the Alexander Brothers was produced in 1951. [5]