Listen to Piano Trio No. 1 in B Major, Op. 8: III. Adagio online. Piano Trio No. 1 in B Major, Op. 8: III. Adagio is an Instrumental language song and is sung by Igor Zhukov, Grigory Feigin and Valentin Feigin. Piano Trio No. 1 in B Major, Op. 8: III. Adagio, from the album Haydn, Schubert, Brahms: Piano Trios, was released in the year 1978. The duration of the song is 8:56. Download Instrumental songs online from JioSaavn.