Listen to Dvorak: String Quartet No. 12 in F Major, "American" 4. Finale. Vivace ma non troppo online. Dvorak: String Quartet No. 12 in F Major, "American" 4. Finale. Vivace ma non troppo is an English language song and is sung by Royal Philharmonic Chamber Ensemble. Dvorak: String Quartet No. 12 in F Major, "American" 4. Finale. Vivace ma non troppo, from the album Big Dvorak Box, was released in the year 2017. The duration of the song is 5:25. Download English songs online from JioSaavn.