Happy birthday to you is a popular song to celebrate your birthday. According to Guinness World Records, Happy Birthday to you is one of the three most popular English songs.
Extended data:
This song has been translated into many languages, although in some countries where English is not the main language, people often sing English lyrics of this song.
The copyright of "Happy Birthday to You" belongs to Summy Company 1935 and will expire in 2030. This is the first copyrighted lyric. This copyright holding company was acquired by Warner Records in 1990 for150,000 US dollars, of which the value of Happy Birthday to You is estimated to be 5 million US dollars.
Although the copyright status of this song is unknown at present, Warner claims that it is technically illegal to perform this song in public without permission unless they get royalties. People still don't know who wrote the lyrics of Happy Birthday to you.