Listen to Debussy: Children's Corner, L. 113: Children’s Corner: Doctor Gradus ad Parnassum online. Debussy: Children's Corner, L. 113: Children’s Corner: Doctor Gradus ad Parnassum is an English language song and is sung by Hong Kong Sinfonietta and Colleen Lee. Debussy: Children's Corner, L. 113: Children’s Corner: Doctor Gradus ad Parnassum, from the album This Is Classical Music 3, was released in the year 2014. The duration of the song is 2:24. Download English songs online from JioSaavn.