Black Tongue have premiered a new song titled “L’appel du Vide.” This song is from the band’s new album, The Unconquerable Dark, which will be released on September 4. The Unconquerable Dark Track Listing: 01. “Plague Worship” 02. “In The Wake Ov The Wolf” 03. “Young Gloom” 04. “L’appel du Vide” 05. “Vermintide” (feat. Eddie…