• 3 Music Library (Mills)

• 8 Sound Recordings

• 5 Compact Discs

• 2 Rhythm and blues music
• 1 Motion picture music
• 1 Vocal duets with orchestra

• 3 Fornaciari, Zucchero Sugar
• 3 Pavarotti, Luciano
• 3 Richie, Lionel
• 2 Ars canto G. Verdi (Musical group)
• 2 Boyzone (Musical group)
• 2 Britti, Alex
• 2 Cocker, Joe
• 2 Estefan, Gloria
• 2 Guatemala Choir
• 2 King, B. B.
• 2 Magiera, Leone
• 2 Martin, Ricky
• 2 Molina, José
• 2 Morandi, Gianni
• 2 Orchestra sinfonica italiana
• 2 Pausini, Laura
• 2 War Child (Concerts) (1999 : Modena, Italy)
• 2 Zero, Renato
• 1 Adams, Bryan, 1959-
• 1 Bocelli, Andrea
• 1 Bon Jovi, Jon
• 1 Clapton, Eric
• 1 Crow, Sheryl
• 1 Dion, Céline

• 8 English
• 3 Italian
• 2 Spanish
• 1 Latin

• 1 United States

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