Listen to Piano Trio in B-Flat Major, Op. 11: II. Adagio online. Piano Trio in B-Flat Major, Op. 11: II. Adagio is an Instrumental language song and is sung by Anatoly Sheludyakov, Sergey Sorokin and Yuri Semyonov. Piano Trio in B-Flat Major, Op. 11: II. Adagio, from the album Cello Music of the 19th-20th Centuries, was released in the year 2008. The duration of the song is 3:57. Download Instrumental songs online from JioSaavn.