Listen to Bartók: Bluebeard's Castle, Sz. 48: Nyisd ki a hetedik ajtót! online. Bartók: Bluebeard's Castle, Sz. 48: Nyisd ki a hetedik ajtót! is a Hungarian language song and is sung by Julia Varady, Bayerisches Staatsorchester and Wolfgang Sawallisch. Bartók: Bluebeard's Castle, Sz. 48: Nyisd ki a hetedik ajtót!, from the album Varady: The Essentials, was released in the year 2021. The duration of the song is 3:55. Download Hungarian songs online from JioSaavn.