Listen to Nocturne No. 2 in E-Flat Major Op. 9 I. Allegretto online. Nocturne No. 2 in E-Flat Major Op. 9 I. Allegretto is an English language song and is sung by Bedtime Sleep Music Academy. Nocturne No. 2 in E-Flat Major Op. 9 I. Allegretto, from the album Peaceful Music at Bedtime – Classical Instruments to Sleep, Music to Bed, Music for Soul, Classical Melodies at Bedtime, was released in the year 2016. The duration of the song is 7:03. Download English songs online from JioSaavn.