Of the five singing parts, only Pedrillo makes less than exceptional vocal demands.

Lee has said that he maintains "a fairly strict diet" in order to accommodate the vocal demands of his music before and during tours.

She handled easily the vocal demands of the part, gaining in confidence and conviction as the evening went on.

"The physical and vocal demands of the show are intense," said Mr. Cole.

The vocal demands on the numerous cast members are rarely heavy; Broadway singers would manage them well.

Here Wagner more evenly distributed the vocal demands on his ill-fated hero and heroine.

One noted the calculated physical preparation needed to set in higher gear the vocal demands of the part, yet nothing rang false.

The vocal demands are so varied that the role is thought by some to be ill conceived.

The cast struggled with Barber's strict vocal demands, but not without some success.

In his smooth, confident singing and understated acting, one never felt Wagner's vocal demands as burdens.