 It was also the first to be set entirely on another planet in interstellar space, far away from Earth.The Robby the Robot character is one of the first film robots that was more than just a mechanical "tin can" on legs; Robby displays a distinct personality and is an integral supporting character in the film.Outside science fiction, the film was groundbreaking as the first of any genre to use an entirely electronic musical score, courtesy of Bebe and Louis Barron.