Hooray! This was the very case that I wanted to but didn’t mention in my itty bitty post on the hokey cokey.
Yesterday, the district court in Marya v. Warner/Chappell Music, Inc. invalidated one of the most famous, longest lasting, and controversial rights claims in music: Warner/Chappell’s ownership of the copyright in the universally known song Happy Birthday
Source: Public Knowledge Celebrates Court Decision in “Happy Birthday” Case – Public Knowledge