Listen to Vocalise, Op.34 - Rachmaninov - Classical Music online. Vocalise, Op.34 - Rachmaninov - Classical Music is an Instrumental language song and is sung by Music for Dog's Ears, Dog Music and Sleeping Music For Dogs. Vocalise, Op.34 - Rachmaninov - Classical Music, 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 2:02. Download Instrumental songs online from JioSaavn.