 In 1978 she made her debut at the Lyric Opera of Chicago as Lola in Pietro Mascagni's "Cavalleria rusticana" under the baton of Riccardo Chailly.In 1979 she made her debut at the Houston Grand Opera singing the title role in Rossini's "La Cenerentola" with conductor Raymond Leppard.Boozer made her debut at the Metropolitan Opera on Christmas Day in 1979 as Hansel to Gail Robinson's Gretel in Engelbert Humperdinck's "Hansel and Gretel".