While the world’s eyes Sunday night were focused on the actors, video clips and red carpet gowns at the 79th Academy Awards show, their ears were being treated to melodies and rhythms—both in the Oscar-winning films and live broadcast—of the members of Professional Musicians/AFM Local 47.

Local 47 members composed and performed on the musical scores of 10 films that received 39 Oscar nominations and won 10 Oscars.

“The King’s Speech” may have ruled the Oscars last night, but union solidarity had a starring role in the remarks of several winners. According to the Associated Press, two awards recipients thanked their union crew — shots at Wisconsin Gov. Scott Walker,  who wants to take away public employees’ freedom to bargain.