Luciano Berio - composer [original letter in Italian with French translation]
Kaija Saariaho - composer [original letter in French]
Ivan Fedele - Biennale di Venezia - Italy [original letter in Italian with French translation]
Richard Collasse - President and Responsable Director Chanel K.K. - Tokyo [original letters in English]
Chen QiangBin - Shanghai Music Conservatory - China [original letter in English]
Daniel Teruggi - INA - Paris [original letter in French]
Jean-Baptiste Barrière - composer - IRCAM - Paris [original letter in French]
Hans Tutschku - Harvard University - Cambridge - USA [original letter in French]
Louis Naon - Conservatoire National Supérieur de Musique et de Danse de Paris et Haute école de musique de Genève [original letter in French]
Maurice Benayoun - School of Creative Media de City University of Hong Kong [original letter in French]
Gerges Molinié - Université Sorbonne - Paris [original letter in French]
Jean-Pierre Balpe - Université Paris-VIII - [original letter in French]