Listen to Mozart: String Quintet No.1 in B flat, K.174 - Two original movements - 3. Trio online. Mozart: String Quintet No.1 in B flat, K.174 - Two original movements - 3. Trio is an Unknown language song and is sung by Academy Of St. Martin In The Fields Chamber Ensemble. Mozart: String Quintet No.1 in B flat, K.174 - Two original movements - 3. Trio, from the album Pieces by Mozart, was released in the year 2021. The duration of the song is 1:23. Download Unknown songs online from JioSaavn.