Veteran soprano Jessye Norman calls her upcoming performances in Tokyo and Nagoya a "big challenge."

News photoOpera singer Jessye Norman, at a recent news conference at Nikko Tokyo Hotel

She has certainly set herself a formidable task. In a single evening she will be performing not one but two short operas composed for a solo singer, Arnold Schonberg's "Erwartung (Expectation)" (1909) and Francis Poulenc's "La voix humaine" (1958).