Listen to String Quartet in E Major: I. Allegretto ma non troppo online. String Quartet in E Major: I. Allegretto ma non troppo is an English language song and is sung by Rasumowsky Quartett. String Quartet in E Major: I. Allegretto ma non troppo, from the album Fröhlich: Complete String Quartets, was released in the year 2016. The duration of the song is 5:03. Download English songs online from JioSaavn.