Premise: E.T., I Love You and Other Extra-Terrestrial Songs for Children is an album by the group the Starlight Children's Chorus, released in 1983 under Kid Stuff Records. It featured a song "E.T., I Love You" by Buckner & Garcia, which was originally written to accompany the major motion picture "E.T. the Extra-Terrestrial".
Hypothesis:  "E.T., I Love You"  was written by married couple Buckner & Garcia.