The presentation of the O.S.I. - Orff-Schulwerk Italiano Association during the international Convention "The Training of Trainers" organized by the Orff-Schulwerk Forum Salzburg (Salzburg, July 3rd/6th 2014). **** In speech order: Giovanni Piazza, Ciro Paduano, Francesco Galtieri and Alberto Conrado describe the activities carried out by O.S.I. - Orff-Schulwerk Italiano and the co-founding Associations Scuola Popolare di Musica Donna Olimpia and Scuola Civica Carl Orff. **** subtitles: English