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 Classical Baby Club. Serenade No. 11 in E-Flat Major, K. 375: III. Adagio, from the album In Land of Dreams – Soothing Music for Baby, Deep Sleep, Classical Lullabies, Calmness for Kids, Baby Music, was released in the year 2017. The duration of the song is 2:33. Download English songs online from JioSaavn.