Listen to Guillaume Tell, Act II (1988 Remastered Version): Ils s'éloignent enfin....Sombre forêt online. Guillaume Tell, Act II (1988 Remastered Version): Ils s'éloignent enfin....Sombre forêt is an English language song and is sung by Montserrat Caballé/Royal Philharmonic Orchestra/Lamberto Gardelli. Guillaume Tell, Act II (1988 Remastered Version): Ils s'éloignent enfin....Sombre forêt, from the album The Very Best of: Montserrat Caballe, was released in the year 2011. The duration of the song is 8:18. Download English songs online from JioSaavn.