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The familiar tune of "Happy Birthday to You" has a surprisingly complex past, rooted in a simpler song from the late 19th century. The melody originated from "Good Morning to All," a classroom greeting composed by American sisters Patty and Mildred J. Hill in 1893 for Patty's kindergarten students in Kentucky. Over time, the lyrics "Happy Birthday to You" were set to this popular melody, and the song became a global phenomenon.
For decades, however, this widely beloved song was not freely available for public or commercial use. The Summy Company, which later became part of Warner/Chappell Music, held a copyright based on a 1935 piano arrangement that included the "Happy Birthday" lyrics. Warner/Chappell Music acquired these rights in 1988 for an estimated $25 million and subsequently claimed the copyright would not expire until 2030. This meant that anyone wishing to use the song publicly, such as in films, television shows, or even restaurants, was required to pay licensing fees, with the company collecting an estimated $2 million annually in royalties.
The contentious copyright claim finally faced a significant challenge in 2013 when documentary filmmaker Jennifer Nelson filed a class-action lawsuit after being charged $1,500 to use the song in her film. The lawsuit argued that Warner/Chappell Music did not hold a valid copyright to the lyrics. In a landmark ruling in September 2015, a U.S. federal judge declared that the 1935 copyright only covered a specific piano arrangement and not the lyrics and melody themselves, effectively invalidating Warner/Chappell's claim. This led to a $14 million settlement from Warner/Chappell and the song's official entry into the public domain in 2016, freeing it for unrestricted use. The ruling marked a significant victory for cultural accessibility, ensuring that one of the world's most sung songs can now be enjoyed by everyone without financial barriers.