Listen to Waltz, Op.39 - Brahms - Classical Piano online. Waltz, Op.39 - Brahms - Classical Piano is an Instrumental language song and is sung by Music for Dog's Ears, Dog Music and Sleeping Music For Dogs. Waltz, Op.39 - Brahms - Classical Piano, from the album Dog Music: Classical Piano Music For Dogs, Music For Pets and Dog Sleeping Music, Vol. 3, was released in the year 2018. The duration of the song is 1:56. Download Instrumental songs online from JioSaavn.