Listen to Petrushka, Tableau IV: The Wet-Nurses' Dance online. Petrushka, Tableau IV: The Wet-Nurses' Dance is an Instrumental language song and is sung by Pierre Boulez and Moscow Conservatory Symphony Orchestra. Petrushka, Tableau IV: The Wet-Nurses' Dance, from the album Pierre Boulez in Moscow (Live), was released in the year 2014. The duration of the song is 2:34. Download Instrumental songs online from JioSaavn.