Listen to Fantaisie-Impromptu No. 4 in C Sharp Minor, Op. 66: Allegro Agitato online. Fantaisie-Impromptu No. 4 in C Sharp Minor, Op. 66: Allegro Agitato is an English language song and is sung by Walter Rinaldi. Fantaisie-Impromptu No. 4 in C Sharp Minor, Op. 66: Allegro Agitato, from the album Johann Pachelbel: Canon in D for Orchestra; Canon in D for Other Instruments - J.S. Bach: Air On the G String & Toccata and Fugue - Walter Rinaldi: Adagio for Oboe, Piano Concerto & Orchestral Works - Antonio Vivaldi: Concertos - F. Chopin: Impromptu, was released in the year 2013. The duration of the song is 4:02. Download English songs online from JioSaavn.