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 Birthday to You"): "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.
Relevant evidence: No