Listen to Nocturnes, Op. 9: No. 1 in B-Flat Minor online. Nocturnes, Op. 9: No. 1 in B-Flat Minor is an English language song and is sung by Vitalij Margulis. Nocturnes, Op. 9: No. 1 in B-Flat Minor, from the album Classical Chopin 4, was released in the year 2017. The duration of the song is 6:01. Download English songs online from JioSaavn.