Tava vasculhando aqui uns sites de rumores sobre o Rock In Rio e achei o seguinte :

What might be coming up
U2 manager Paul McGuinness has twice confirmed there will be no tour dates in the summer of 2002. What follows is an overview of other rumored appearances beyond Summer, 2002.

Mexico City - sometime in 2002
Sao Paulo, Brazil - October 26-27, 2002
Belo Horizonte, Brazil - October 30 (Mineirinho Dome)
Rio de Janeiro, Brazil - November 2 (Maracana Stadium)
Rio de Janeiro, Brazil - "Rock in Rio 2003" Festival
Paris, France - Summer, 2003 (Parc des Prince Stadium)

As datas no Brasil em agosto seriam por conta do projeto Kaiser Music. Será ?