By Michela DellaMonica, Contributing Reporter
RIO DE JANEIRO, BRAZIL — The Rock in Rio mega music festival began in Brazil in 1985 by Roberto Medina, an innovative publicist with a grand ambition to create an epic music event. Now after exporting the brand to Lisbon for the last ten years as well as a few stops in Madrid, Rock in Rio will expand to Las Vegas in 2015 for what should be another chapter in music festival history.
In its pioneering form, Rock . . .