Listen to Instruments of the Orchestra: Bartok: Music for Strings, Percussion and Celesta: II. Allegro online. Instruments of the Orchestra: Bartok: Music for Strings, Percussion and Celesta: II. Allegro is an English language song and is sung by Jeremy Siepmann. Instruments of the Orchestra: Bartok: Music for Strings, Percussion and Celesta: II. Allegro, from the album Instruments of the Orchestra (The), was released in the year 2002. The duration of the song is 2:25. Download English songs online from JioSaavn.