Listen to Piano Concerto No. 3 in E-Flat Major, Op. 75/79: III. Finale. Allegro maestoso online. Piano Concerto No. 3 in E-Flat Major, Op. 75/79: III. Finale. Allegro maestoso is an Instrumental language song and is sung by Michael Ponti, Luxemburg Radio Symphony Orchestra and Louis de Froment. Piano Concerto No. 3 in E-Flat Major, Op. 75/79: III. Finale. Allegro maestoso, from the album 111 Tchaikovsky Masterpieces, was released in the year 2012. The duration of the song is 7:50. Download Instrumental songs online from JioSaavn.