Listen to Piano Trio No. 3 in B-Flat Major, Op. 52: I. Allegro online. Piano Trio No. 3 in B-Flat Major, Op. 52: I. Allegro is an Instrumental language song and is sung by Eleonora Teplukhina, Marat Bisengaliev and Yuri Semyonov. Piano Trio No. 3 in B-Flat Major, Op. 52: I. Allegro, from the album Rubinstein: Piano Trio No. 3 & Salon Pieces, Op. 11, was released in the year 1993. The duration of the song is 10:41. Download Instrumental songs online from JioSaavn.