Sonantes is a based musical collective featuring the vocal talents of CéU in collaboration with Pupillo and Dengue, members of the Brazilian group Nação Zumbi, as well as Rica Amabis from Instituto and Gui Amabis. The album was released in May, 2008. Guest stars include Siba, Lúcio Maia, Beto Villares, Apollo 9, and more.