1974-04-13_-_booking_-_usa_-_california_-_los_angeles_-_century_plaza_hotel_-_allegro_ball Chanber Symphony Society of California Annual Allegro Ball Concert Dinner/Dance Benny introduced by Ray Bradbury Henri Temianka Conducting 600 guests in the "Los Angeles" room Jimmy Stewart - Narrator David Rose. John Green and wife Bonnie were in the audience "This concerto has to be explained" Mayor Tom Bradley declared "California Camber Symphony Day" Temiank Presented Benny with the "Wolfgang" a bust of Mozart Hyden Serenade Joe Moshay provided dance music during diner A portrait of Benny as Mozart Also attending was Gregor Piatigorsky