Today it was confirmed in an official press conference in Milan: Brian and Roger will be present at the Pavarotti show in Modena on the 27th of may, performing Queen tracks. Some will be sung by Brian, others by a (still secret) special guest.
Other artists featured at the event: Bono, Eric Clapton, Laura Pausini, Andrea Bocelli, Lionel Richie, Ricky Martin, Deep Purple, Zucchero

Source: www.rockol.it