Listen to Piano trio No.2 in B flat major, Op. 38: II. Allegro molto online. Piano trio No.2 in B flat major, Op. 38: II. Allegro molto is an English language song and is sung by Janáček Trio. Piano trio No.2 in B flat major, Op. 38: II. Allegro molto, from the album The Complete Piano Trios, was released in the year 2012. The duration of the song is 7:52. Download English songs online from JioSaavn.