Rob Mathes, Gianni Morandi, Trey Lorenz, Zucchero, Orchestra Sinfonica Italiana, Laura Pausini, Robbie Kondor, Ars Canto G. Verdi, Shawn Pelton, Lionel Richie, Joe Cocker, Mariah Carey, Gloria Estefan, Guatemala Choir, Melanie Daniels, Pino Palladino, B.B. King, José Molina, Boyzone, Marianne Tatum, Renato Zero, Ricky Martin