Dark Ages is the fifth LP by the metal band Soulfly. The album was released on October 4, 2005. The album was strongly influenced by the death of Max Cavalera's 8-month-old grandson, Moses, who died on December 10, 2004. The song, "Corrosion Creeps," is dedicated to Chuck Schuldiner of Death. Many critics have described Dark Ages as a return to Cavalera's thrash and death metal roots of the early Sepultura days, its sound also has been compared to his post-thrash album Chaos A.D.-era, while still maintaining the world music influence present on the first four Soulfly albums. This time, Cavalera traveled to five different countries - Serbia, Turkey, Russia, France, and the United States - in order to record all the sounds that he desired to have on the new album. The album also features a didgeridoo on 'Carved Inside' and a Jamaican thumb piano on 'Riotstarter'. This further showcase Cavalera's desire to experiment within metal. The cultural spice is accentuated by Max's decision to travel the world to capture the sounds within their own natural environments. While in Russia, the frantic "Molotov" begins with Russian lyrics. "In Russian it means 'Fuck the war, let's think about what's important'... It comes from the liberation of Russia after communism." S.O.D.'s Billy Milano makes a guest appearance as well on the song. Cavalera called Milano and said, "Do you mind singing over the phone and I just record it? . . . Even the distortion coming from his voice is actually fr