22q11.2 deletion syndrome is caused by the deletion of a small section of chromosome 22. It results in a cleft palate, heart defects, autoimmune disorders, and more. The symptoms vary wildly and can be accompanied by learning disabilities and mental illness. Cystic fibrosis is caused by a point deletion.
The melody of Happy Birthday to You comes from the song  Good Morning to All , which has been attributed to American siblings Patty Hill and Mildred J. Hill in 1893, although the claim that the sisters composed the tune is disputed.
Additionally, it is often sung in English even by people that speak little or no English. The real name of the song is Happy Birthday to You and it is often listed as the most recognized song in the English language. Enjoy the Happy Birthday to You lyrics. Find your name in OUR Free Birthday Song - Not Traditional.