You're the Nearest Thing to Heaven by Johnny Cash and The Tennessee Two

First release by Hoyt Johnson and The Four Recorders (September 1957)

First recording by Don Reno & Red Smiley (January 17, 1958)

First release by Hank Locklin (March 1958)

First recording and first release by Johnny Cash and The Tennessee Two (May 15, 1958 / August 11, 1958)