The Swedish musicians Kalle Karlsson (guitar), Harriet Ohlsson (singer) and Johan Bringhed (piano) creating 'Lounge Metal'. Their debutalbum  'Hymns in the Key of 666' was released in 2008 and this album includes acoustic versions of metal classics, covers from bands such as Iron Maiden, AC/DC, Black Sabbath, Megadeth, Slayer and Judas Priest. Hellsongs transforms them into soft, easy-going acoustic songs that shed a very different light upon the songs.