Listen to Impromptu, Op. 90 D899, No. 3 (From "Amour") online. Impromptu, Op. 90 D899, No. 3 (From "Amour") is an English language song and is sung by The Grey Orchestra. Impromptu, Op. 90 D899, No. 3 (From "Amour"), from the album Auteur - The Art of Soundtracks, was released in the year 2013. The duration of the song is 5:32. Download English songs online from JioSaavn.