The American Theatre Organ Society (ATOS) is an American non-profit organization, dedicated to preserving and promoting the theatre pipe organ and its musical art form. ATOS consists of regional member-chapters, and is led by democratically elected leaders. There are currently over 75 local chapters of ATOS, and membership is made up of musicians, technicians, hobbyists, educators, and others who enjoy the music of the theatre organ. The ATOS Board of Directors is the main governing body. Theatre organs took the place of the orchestra when installed in movie theatres during the heyday of silent films. After the introduction of sound films in the late 1920s, the production of theater organs started decreasing. However, the music and sound of the theater organ continued to remain popular with a number of enthusiasts. And in 1955, ATOS was founded to promote and preserve the heritage of theater organs. More information...
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