Listen to Instruments of the Orchestra: Another duo by Bartok, demonstrating the violin's rich lower register online. Instruments of the Orchestra: Another duo by Bartok, demonstrating the violin's rich lower register is an English language song and is sung by Jeremy Siepmann. Instruments of the Orchestra: Another duo by Bartok, demonstrating the violin's rich lower register, from the album Instruments of the Orchestra (The), was released in the year 2002. The duration of the song is 0:10. Download English songs online from JioSaavn.