MCA Stage Music Clara Siegel and Marion Ruttenberg First Piano Duet Mar 27, 1974 12:00–11:59 pm Ontario Street Clara Siegel and Marion Ruttenberg present a concert of compositions for piano duet. In addition to music by Bach, Beethoven, and Debussy, the program included the Suite Georgienne by Alexander Cherepnin, in celebration of his 75th birthday.