Cecilio Tieles graduated in 1963 , and at a later time took post-grade courses until 1966 .
From 1958 to 1966 , Tieles studied at the Tchaikovsky Conservatory in Moscow with professors Samuel Feinberg , Ludmila Roschina and Stanislav Neuhaus .
Tieles   graduated in 1963 , and at a later time took post-grade courses until 1966 .
From 1958 to 1966 , Tieles studied at the Tchaikovsky Conservatory in Moscow with professors Samuel Feinberg , Ludmila Roschina and Stanislav Neuhaus .