Walter Maioli (Milan, 1950) is an Italian researcher, paleorganologist, poly-instrumentalist and composer. Specialized in experimental archaeology and music, in particular that of archaic civilization. He has been researching the music of antiquity and prehistory for more than 35 years. Always interested in the music of the Mediterranean, he has gone on journeys to discover the folkloristic Italian and Mediterranean traditions learning the Arabic, African, oriental and European music since the beginning of the seventies. In 1972 he founded the pioneer world music group Aktuala group, dedicated to folkloristic African and Asian music. In the eighties Walter Maioli’s researches focused on the field of prehistoric instruments, his work was presented at the Archaeological Symposium of Amsterdam for the opening of the Den Haag Museum. In 1987 he prepared the Natural Art Laboratory of Morimondo in the Ticino Park, working on the Art of the Nature, publishing books on the subject for the Jaca Book: “Origins, sounds and music”, and for Giorgio Mondadori: “Orchestra of the Nature”. In 1991 he displayed the collection called “The origins of musical instruments” to the History of Nature Museum in Milan and presented “Art of the stars” sounds for the planetarium, at Ulrico Hoelpi Civic Planetarium in Milan in collaboration with Fiorella Terenzi. Starting in 1994, for one and a half years he was coordinating the musical part of the Archeon Archaeological Theme Park in Alphen a/d Rijn in the Netherlands, producing the CD called “200.000 years in music”. In 1995 he founded Synaulia, a team of musicians, archeologists, paleorganologists and choreographers dedicated to the application of their historical research to ancient music and dance, in particular to the ancient Etruscan and Roman periods, carrying out an intense activity of conferences, seminars, and concerts in Europe, in particular in the Netherlands and Germany. In Italy some of his performances were presented on archaeological sites such as Mausoleo di Augusto, Mercati Traianei, Terme di Diocleziano, Ostia Antica, Villa Adriana, Preneste, Pompei and Stabia, with the scope of recreating the sound atmosphere and executive context of the Roman age.