Arthur William “Big Boy” Crudup (August 24, 1905 – March 28, 1974) was an American Delta blues singer, songwriter and guitarist. He is best known, outside blues circles, for his songs “That’s All Right” (1946), “My Baby Left Me” and “So Glad You’re Mine”, later recorded by Elvis Presley and other artists

The song was written by Arthur “Big Boy” Crudup, and originally recorded by him in Chicago on September 6, 1946, as “That’s All Right”. Some of the lyrics are traditional blues verses first recorded by Blind Lemon Jefferson in 1926. Crudup’s recording was released as a single in 1947 on RCA Victor 20-2205.

Original version:

Elvis Presley version:

Bob Dylan
Studio A
Columbia Recording Studios
New York City, New York
26 October 1962

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Bob Dylan & Johnny Cash
Columbia Studio A
Nashville, Tennessee
18 February 1969