Desc: Mamonas Pra Sempre: Directed by Cláudio Kahns. With Mamonas Assassinas, Dinho, Bento Hinoto, Júlio Rasec. Documentary about the story of Dinho, Bento, Julio, Samuel and Sergio, who started making dark songs in a band called Utopia and reached national fame in Brazil in 1995 as the comedy rock band Mamonas Assassinas.