"Just Because" is a song written by Joe Shelton, Sydney Robin and Bob Shelton and originally recorded by Nelstone's Hawaiians ( Hubert Nelson and James D. Touchstone) in 1929 and later recorded by The Shelton Brothers in 1933. Some sources say that Sydney Robin wrote the song alone and the Sheltons added their name when they recorded it.
The song has been covered many times, especially since the Shelton Brothers recording. In 1933, RCA Victor released a version of the song done by the Lonestar Cowboys. Nelstone's Hawaiians  Victor V40273 (1929)
Elvis Presley recorded the song on September 10, 1954 at the Sun Studios; while it was never released on Sun, it was included on Elvis's first album, Elvis Presley after he signed to RCA. Paul McCartney later recorded the song in a style that was similar to that of Presley's version on his Choba B CCCP allbum.
One database devoted to rockabilly music lists 17 issues of "Just Because" in the 1950s and 1960s.
The song is also included on Brian Setzers 2005-release "Rockabilly Riot Vol. 1: A Tribute To Sun Records"