Warner loses his “Happy Birthday” song

Music Quiz: How well do you know the lyrics to Happy Birthday song?

TIL that Warner Bros. has a copyright on the happy birthday song. This is why restaurants have their own version. : r/todayilearned

Happy Birthday' Song Copyright Discord Ends on Harmonious Note

Who owns the copyright on the song 'Happy birthday'? - Quora

All the 'Happy Birthday' song copyright claims are invalid, federal judge rules - Los Angeles Times

Judge Throws Out Publisher's Claim to 'Happy Birthday' Copyright

Happy Birthday Song Contest, Regular Show Wiki

Warner Music Aims to Keep 'Happy Birthday' Away From Public Domain

Who Owns the Rights to the “Happy Birthday” Song?

Why We Should Stop Singing 'Happy Birthday' - Pacific Standard

Happy Birthday to You! - TV Tropes