Question: "Happy Birthday to You", more commonly known as simply "Happy Birthday", is a song that is traditionally sung to celebrate the anniversary of a person's birth, the melody has traditionally been attributed to American sisters Patty and Mildred Jane Hill, an American songwriter and musicologist, in what year?
Sentence (from "Happy, Happy Birthday Baby"): "Happy, Happy Birthday Baby" is a 1957 song written by Margo Sylvia & Gilbert Lopez.
Relevant evidence: No