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?
Sentence (from "Happy Birthday to You"): The melody of "Happy Birthday to You" comes from the song "Good Morning to All", which has traditionally been attributed to American sisters Patty and Mildred J. Hill in 1893, although the claim that the sisters composed the tune is disputed.
Relevant evidence: Yes