"I think it's one of the most vocally demanding roles I've ever had," he added.

Bernstein had recruited trained opera singers like Robert Rounseville for his vocally demanding score.

Do we plan to vocally demand debates on issues of concern to the people of Manhattan?

Operetta is vocally demanding and rarely produced professionally in New York.

The title role of Tancredi, a breeches role, is so vocally demanding that casting the part has traditionally proved to be challenging.

Because the part is so vocally demanding, a singer is usually cast as Billy.

Long stretches of dialogue are deftly broken up by beguiling choruses and arias: some tender and reflective, others vocally demanding yet never ostentatious.

The major arias he has given her, designed as usual to be extracted and plugged by recording artists, are too vocally demanding to be sung by most older stars who might otherwise be plausible in the part.

The first is "Le Cid," Massenet's spectacularly scored and vocally demanding opera, which opened tonight at the Kennedy Center for the Performing Arts.

He sang persuasively, as have others in a role not all that demanding vocally.