Academy of Vocal Arts Accademia Nazionale di Santa Cecilia Associazione Lirica e Concertistica Italiana Fundación Ibañez Atkinson International Vocal Arts Institute La Voce di New York Luciano Pavarotti Foundation Manhattan School of Music Mannes College the New School for Music Metropolitan Opera Oper Frankfurt Opera Actual Operalia Premiere Opera Vocal Arts Institute Royal Albert Hall Semperoper Dresden Theater Erfurt Theater Osnabrück University of Southern California