Vocal exercises warm up the voice. You have to do them every day for 10 to 15 minutes, and you will see a difference. Russell did. He once sang “Stars” 23 times in one night. I don’t know a lot of musical theatre people who could do that.
Roberta Duchak, 46, musical director at Drury Lane Oakbrook, trained Russell Crowe for his role as Javert in the film Les Misérables, out Dec. 14.
Illustration: John Kenzie