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 Antonio Vivaldi: The Four Seasons & Oboe Concertos - Johann Pachelbel: Canon in D Major - J.S. Bach: Air On the G String & Violin Concerto in A Minor - Tomaso Albinoni: Adagio - Felix Mendelssohn: Wedding March, was released in the year 2014. The duration of the song is 4:02. Download English songs online from JioSaavn.