By Kim Dumo, Contributing Reporter
RIO DE JANEIRO, BRAZIL - Rock in Rio sold over 700,000 tickets, drawing people in from around Brazil and the world to Barra de Tijuca and the new festival mega-grounds named Cidade do Rock (City of Rock). This year, Rock in Rio is not only the host for artists such as Rihanna, Coldplay, Metallica and Bebel Gilberto, but is home to many expatriate artists on the latest innovation called Rock Street.
The . . .