Rusty & Doug Kershaw were a Cajun country duo from Louisiana known for the often recorded Louisiana Man (1961, written by Doug), the first song broadcast from the moon, from Apollo 12 (1969).

Single on Hickory label, Nashville, #1083, B-side of Sweet Thing (Tell Me That You Love Me). 

The songwriting credit Felice & Boudleaux Bryant appeared on many classic records, including Buddy Holly's Raining In My Heart. They are particularly associated with The Everly Brothers through such hits as hits as Bye Bye, Love, Wake Up, Little Susie, All I Have to Do Is Dream, and Bird Dog.

References: 1. Release details at Rockin' Country Style (includes label shot and audio). 2. Selected list of Bryant compositions at Wikipedia. 3. Doug Kershaw page at Louisiana Music Hall of Fame.

Further reading: 1. Doug Kershaw at Wikipedia. 2. Felice & Boudeleaux Bryant: The Marriage That Became a Hit Factory at Rockabilly Hall of Fame.