Warner loses his “Happy Birthday” song

Sing away! 'Happy Birthday' song copyright is not valid, judge rules

U.S. Judge Throws Out Copyright of Happy Birthday Song

Warner Music does not own 'Happy Birthday,' judge rules

The Strange Story Behind the “Happy Birthday” Song, by Daniel Ganninger, Knowledge Stew

No 'Happy Birthday' for Warner – US judge rules

Who Owns the Copyright to Happy Birthday? - Priceonomics

What are the best happy birthday songs? - Quora

Happy Birthday To Us All — Judge Rules Tune Is Public Domain : The Two-Way : NPR

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

Federal judge rules 'Happy Birthday' song in public domain

World's most popular song is not under copyright, according to lawsuit, Music

Smoking gun' found in Warner/Chappell copyright battle over 'Happy Birthday' song

The Most Famous Song in the World Set Free: Impacts of the Happy Birthday to You Settlement

Warner loses his “Happy Birthday” song

Here's why they don't sing the 'Happy Birthday' song in movies and TV shows