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 Baby Mozart Orchestra and Baby Lullabies Land. Serenade No. 11 in E-Flat Major, K. 375: III. Adagio, from the album Goodnight Sweetie – Classical Songs for Baby, Sweet Melodies to Sleep, Classical Lullabies for Sleep, Famous Composers for Your Baby, was released in the year 2016. The duration of the song is 2:33. Download English songs online from JioSaavn.