Listen to IV. Allegro assai online. IV. Allegro assai is an English language song and is sung by Capella Istropolitana and Paul Kantschieder. IV. Allegro assai, from the album The Most Beautiful Christmas Markets - Pachelbel, Bach, Mozart, Torelli, Telemann & Kirnberger (Classical Music for Christmas Time), was released in the year 1998. The duration of the song is 2:07. Download English songs online from JioSaavn.