Listen to Six Pieces on One Theme, Op. 21: V. Mazurque. Allegro moderato online. Six Pieces on One Theme, Op. 21: V. Mazurque. Allegro moderato is an Instrumental language song and is sung by Michael Ponti. Six Pieces on One Theme, Op. 21: V. Mazurque. Allegro moderato, from the album 111 Tchaikovsky Masterpieces, was released in the year 2012. The duration of the song is 4:11. Download Instrumental songs online from JioSaavn.