[1][2] In 1962, she was awarded a scholarship from the government of Germany and went on to study at the Hochschule für Musik und Theater München.

[1][2] In 1969 and 1971, Hsi was dispatched twice by the Goethe-Institut München to tour the German Art Songs (Lieder) Vocal Recital in Southeast Asian countries.

This experience made her one of the first non-German artists who participated in cross-cultural exchange tours in Southeast Asia.

In 1982, she recorded a solo album covering Western classical music and Chinese folk songs in the United States, which was catalogued at the New York Public Library for the Performing Arts.

[1][2] In 1985, Hsi returned to her alma mater to lecture on vocal music, interpretation of German art songs, and singing voice.