National and international personalities have participated in past editions: Hilary Griffiths (England), Franz Muller Heuser (Germany), Jose Antonio Amann (Spain), Nelson Delle Vigne Fabbri (France), Marcello Abbado (Italy), Rume Urano (Germany), Roberto Rizzi Brignoli (Italy), Edoardo Cavalli (Italy), Marco Pace (Italy), Samuele Pala (Italy), Andrea Andonian (USA), Dario Garegnani (Italy), Luca Ciammarughi (Italy), Tiziana Fabbricini (Italy), Emanuele Beschi (Italy), Franco Ghitti (Italy) and many, many others.