Listen to Introduction and Allegro, M. 46 online. Introduction and Allegro, M. 46 is an Instrumental language song and is sung by Olga Erdeli, Aleksander Korneyev, Mikhail Muntyan, Vladimir Tupikin, Rudolf Barshai and Moscow Chamber Orchestra. Introduction and Allegro, M. 46, from the album Olga Erdeli. Mozart, Ravel, Debussy, was released in the year 1965. The duration of the song is 11:30. Download Instrumental songs online from JioSaavn.