Listen to Beethoven Op.2 No.1 Allegro online. Beethoven Op.2 No.1 Allegro is an English language song and is sung by Lullaby and Prenatal Band. Beethoven Op.2 No.1 Allegro, from the album Bethoven Lullaby for My Baby 1 (Classical Lullaby,Prenatal Music,Pregnant Woman,Baby Sleep Music,Pregnancy Music), was released in the year 2016. The duration of the song is 1:23. Download English songs online from JioSaavn.