Listen to Nocturne, Op. 37: I. online. Nocturne, Op. 37: I. is an English language song and is sung by Dubravka Tomšič. Nocturne, Op. 37: I., from the album Classical Chopin 1, was released in the year 2017. The duration of the song is 6:43. Download English songs online from JioSaavn.