Luciano Luisi, Polo Jones, David Sancious, Corrado Rustici, Steve Smith, Johnnie Johnson, Rosario Jermano, Pat MacDonald, Sheila E., Clarence Clemmons, Jeff Beck, Leo Nocentelli, Memphis Horns, Lisa Hunt, Henny Bersola, Mino Vergnaghi, Arthur Miles, Manuela Cortessi, Tessa Niles, Antonella Pepe, Katie Kissoon, New Orleans Gospel Choir, Choir of O.L.S.M.M.