The Theatrical and Musical Arts Museum is housed in the Aleksandrovsky Theatre and is dedicated to the history of Russian theatre. Each of its six halls are dedicated to separate themes: 18th Century, 19th Century, Theatrical Dreams, the Silver Age, Avant-garde Theatre of the 1920s and 1930s, and Soviet Theatre. On display are many props and backgrounds and exhibits on the history of the production of some of the most famous Russian plays. The Theatrical and Musical Arts Museum has several branches around St Petersburg including  the Museum of Music and apartment-museums of Chaliapin, Rimsky-Korsakov and the Samoilov family.