Brazil is rich with musical heroes, past as well as present, and Daniela Mercury is one of them. She was the premier axé performer of the 1990s, with a goddess-like standing in Salvador da Bahia. Mercury, more than anyone, popularized axé internationally. Her breakthrough hit, "Swing da Cor," from her self-titled debut album, was one of the most popular songs in Brazil during 1991, and her follow-up effort, O Canto da Cidade (1993), was a national phenomenon. The first Brazilian album to top a million in sales, O Canto da Cidade continues to sell. Following massive hits such a...