The Muny, short for the Municipal Theatre Association of St. Louis, is an outdoor musical theater located in Forest Park, St. Louis, Missouri. Established in 1919, it is the oldest and largest outdoor musical theater in the United States, seating over 11,000 guests. The venue hosts a summer season of Broadway-style shows, attracting both local and national talent. The Muny features a unique open-air stage, allowing audiences to enjoy performances under the stars. It is known for its commitment to accessibility, offering free seats in the back for those who cannot afford tickets. The theater has become a beloved cultural institution in the St. Louis community.