Listen to Serenade No. 11 in E-Flat Major, K. 375 III. Adagio online. Serenade No. 11 in E-Flat Major, K. 375 III. Adagio is an English language song and is sung by Bedtime Sleep Music Academy. Serenade No. 11 in E-Flat Major, K. 375 III. Adagio, 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 2:35. Download English songs online from JioSaavn.