Patty Hill is perhaps best known for co-writing, with her sister Mildred Hill a song that was translated into how many languages ?
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". Happy Birthday to You:  The song's base lyrics have been translated into at least 18 languages.
i don't know