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?

full_context: Document 1: Happy Birthday (Birthday Party song): "Happy Birthday" is a 1980 song and by The Boys Next Door. It was released as a single on 16 February 1980 on Missing Link. The song is not related to the popular birthday song "Happy Birthday to You". The first album it appeared on was "The Birthday Party". It was later included as track two on the 1992 compilation "Hits".
Document 2: Hail to the Hills of Westwood: "Hail to the Hills of Westwood" is the school song or alma mater of the University of California, Los Angeles. It was written by Jeane Emerso, a 1929 graduate of UCLA, and adopted by the school in 1960. The current arrangement performed by the UCLA Marching Band was written by band member Dwayne S. Milburn for the 1985 football season.
Document 3: Happy, Happy Birthday Baby: "Happy, Happy Birthday Baby" is a 1957 song written by Margo Sylvia & Gilbert Lopez. "Happy, Happy Birthday Baby" was originally performed by The Tune Weavers, who had their only hit with this song. Both Margo Sylvia and Gilbert Lopez were members of The Tune Weavers. The single went to number four on the R&B chart and went to number five on the Hot 100. The B-side of "Happy, Happy Birthday Baby, was The Tune Weavers version of "Ol' Man River"
Document 4: The Folks Who Live on the Hill: "The Folks Who Live on the Hill" is a 1937 popular song composed by Jerome Kern, with lyrics by Oscar Hammerstein II.
Document 5: 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. According to the 1998 "Guinness World Records", "Happy Birthday to You" is the most recognized song in the English language, followed by "For He's a Jolly Good Fellow". The song's base lyrics have been translated into at least 18 languages. 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.
Document 6: Good Morning Good Morning: "Good Morning Good Morning" is a song written by John Lennon (credited to Lennon–McCartney) and recorded by the Beatles, featured on their 1967 album "Sgt. Pepper's Lonely Hearts Club Band". Inspiration for the song came to Lennon from a television commercial for Kellogg's Corn Flakes. Another reference to contemporary television was the lyric "It's time for tea and "Meet the Wife"", referring to the BBC sitcom.
Document 7: Las Mañanitas: Las Mañanitas is a traditional Mexican birthday song sung in Mexico and other Latin American countries at birthday parties, usually early in the morning to awaken the birthday person, also before eating cake, and especially as part of the custom of serenading women. In Mexico, "Las Mañanitas" is sung to men and women of all ages. In some countries, such as Colombia, the song is only sung to girls, especially on their 15th birthdays. Perhaps the most famous rendition of "Las Mañanitas" is that sung by Pedro Infante to "Chachita" in the movie "Nosotros los pobres".
Document 8: Happy Birthday to You!: Happy Birthday to You! is a 1959 children's book by Dr. Seuss. It deals with a fantastic land called Katroo, where the Birthday Bird throws the reader an amazing party on their special day. It consists of a running description of a fantastical celebration, narrated in the second person, of the reader's birthday, from dawn to late night. The celebration includes fantastical and colorful gifts, foods and a whirl of activities all arranged by the Birthday Bird for the reader's birthday. It focuses on the reader's self-actualization and concludes with the happy and exhausted reader falling blissfully asleep. A popular Seuss paragraph in this book reads: "Today you are you, that is truer than true. There is no one alive who is youer than you."
Document 9: Zilphia Horton: Zilphia Horton (April 14, 1910 – April 11, 1956) was an American musician, community organizer, educator, Civil Rights activist, and folklorist. She is best known for her work with her husband Myles Horton at the Highlander Folk School where she is generally credited with turning such songs as "We Shall Overcome", "Keep Your Eyes on the Prize," "We Shall Not Be Moved," and "This Little Light of Mine" from hymns into songs of the Civil Rights Movement.
Document 10: Marian Hill: Marian Hill is an American songwriting duo from Philadelphia consisting of production artist Jeremy Lloyd and vocalist Samantha Gongol. Their name comes from two characters, Marian Paroo and Harold Hill, from the musical "The Music Man".
Document 11: Mildred J. Hill: Mildred Jane Hill (June 27, 1859 – June 5, 1916) was an American songwriter and musicologist, who composed the melody for "Good Morning to All", later used as the melody for "Happy Birthday to You".
Document 12: Patty Hill: Patty Smith Hill (March 27, 1868 – May 25, 1946) was a composer and teacher who is perhaps best known for co-writing, with her sister Mildred Hill, the tune which later became popular as "Happy Birthday to You". She was an American nursery school, kindergarten teacher, and key founder of the National Association for Nursery Education (NANE) which now exists as the National Association For the Education of Young Children (NAEYC).
Document 13: When a Child Is Born: "When A Child Is Born" is a popular Christmas song. The original melody was "Soleado", a tune from 1974 by (alias Zacar), composer for Italy's Daniel Sentacruz Ensemble, and Dario Baldan Bembo. The tune was based on Damicco's earlier tune "Le rose blu" published in 1972. The English language lyrics were written a few years later by Fred Jay (Friedrich Alex Jacobson IPI number 00015195204, who wrote many hits for Boney M such as Rasputin and Ma Baker). They do not make specific mention of Christmas but the importance they attach to looking forward to the birth of one particular child somewhere, anywhere, suggests a reference to the birth of Jesus Christ, and the citing of "a tiny star" that "lights up way up high" may allude to the Star of Bethlehem. Fred Jay's lyrics have been sung by many artists, most successfully by Johnny Mathis in 1976.
Document 14: Jolly Old Saint Nicholas: "Jolly Old Saint Nicholas" is a Christmas song that originated with a poem by Emily Huntington Miller (1833-1913), published as "Lilly's Secret" in "The Little Corporal Magazine" in December 1865. The song's lyrics have also been attributed to Benjamin Hanby, who wrote a similar song in the 1860s, Up on the Housetop. However, the lyrics now in common use closely resemble Miller's 1865 poem.
Document 15: Happy Birthday Sweet Sixteen: "Happy Birthday Sweet Sixteen" is a pop song released in 1961 by Neil Sedaka. Sedaka wrote the music and performed the song, while the lyrics were written by Howard Greenfield. The song is noted for being similar in musical structure to Take Good Care of My Baby by Bobby Vee (another 1961 hit), and additionally for its resemblance to the melody of the Chiffons' subsequent 1963 hit "One Fine Day". Both of these songs exhibiting similarity to "Happy Birthday Sweet Sixteen" were penned by the team of Carole King and Gerry Goffin. The song reached #6 on the "Billboard" Hot 100 chart and no 3 on the UK Singles Chart.
ground_truth: Mildred J. Hill