 In 1998 he sang two small roles (Sailor and Traveler) in the world premiere of Glass's "" at the Teatro Camões in Lisbon and in its Spanish premiere at the Teatro Real later that year.Zhou created two roles in operas by composers of Chinese descent in 2001—Manli in Cha Ka Nin's "Iron Road" and Father's Ghost in Jason Kao Hwang's ".Since retiring from the stage, Zhou has been Professor of Singing at the Shanghai Conservatory of Music.