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, comes from the song "Good Morning to All", which has traditionally been attributed to American sisters Patty and who, which was an American songwriter and musicologist?
Facts:
Happy Birthday to You is attributed to American sisters Patty and Mildred J. Hill.
Mildred J. Hill was an American songwriter and musicologist.
Answer: Mildred J. Hill