Helikon Opera is a Russian opera company based in Moscow, specializing in unconventional productions.[1][2] Their main performing base is the 250 seat Mayakovsky Theater, the former ballroom in the palace of the Shakhovskoi-Glebov-Streshneva family who were patrons of the arts in 19th century Moscow. The company was founded by Dmitry Bertman and gave its first performance, Stravinsky's Mavra, on April 10, 1990.