1973
USA, Chicago Musical College of Roosevelt University
1974
Mexico, Mexico City, Conservatorio Nacional
1986
Taiwan, Taipei, Theological College, Yangming Mountain
1983
New Zealand, Auckland, University
1983
New Zealand, Hamilton, University
1983
Australia, Perth, Academy of Performing Arts
1983
Brasil, São Paulo, Imaculada Conceição
1985
South Africa, Durban, City Hall
1974
TV and broadcast in Mexico
1976
El Salvador
1978
Magadino (Switzerland)
1983
Brisbane
1983
Sydney
1984
Budapest
1985
Johannesburg