Callas received her musical education in Athens. Initially, her mother tried to enroll her at the prestigious Athens Conservatoire, without success. At the audition, her voice, still untrained, failed to impress, while the conservatoire's director refused to accept her without her satisfying the theoretic prerequisites (solfege). In the summer of 1937, her mother visited Maria Trivella at the younger Greek National Conservatoire, asking her to take Mary, as she was then called, as a student for a modest fee. In 1957, Trivella recalled her impression of "Mary, a very plump young girl, wearing big glasses for her myopia":