Listen to Don Quixote: Prologue: Allegro assai online. Don Quixote: Prologue: Allegro assai is an English language song and is sung by Sofia National Opera Orchestra. Don Quixote: Prologue: Allegro assai, from the album Minkus: Don Quijote, was released in the year 2010. The duration of the song is 1:02. Download English songs online from JioSaavn.