Warner loses his “Happy Birthday” song

Let's Party! The 'Happy Birthday' Song Loses Its Copyright - Wharton Global Youth Program

Who Owns the Copyright to Happy Birthday? - Priceonomics

Happy Birthday Song Contest, Regular Show Wiki

$14M payment settles lawsuit over 'Happy Birthday' song

Kids Birthday - Happy Birthday to you - Postcard - Warner Press

Happy Birthday to become public property after music publisher loses rights to royalties

Music publisher agrees to pay $14m to end Happy Birthday song lawsuit, Music industry

Who Owns the Copyright to Happy Birthday? - Priceonomics

12 things you never knew about the 'Happy Birthday' song

History Daily

Birthday Song's Copyright Leads to a Lawsuit for the Ages - The New York Times

Happy Birthday Song: Unveiling Its Captivating History

Happy Birthday' song enters public domain – DW – 06/28/2016

Judge Rules 'Happy Birthday' Is Free From Copyright Protection