Having begun classical training at age twelve with Greta Allum in Chicago and later refining her technique under Douglas Susu-Mago, Carroll developed a three-and-a-half-octave voice that allowed her to perform opera, jazz, Broadway and gospel. After early stage work in Kansas City and Chicago, she moved to California, earning a Drama-Logue Award for her portrayal of Klytemnestra in Ezra Pound's El…