 She continued to perform at the Met for the next 11 years, portraying such roles as the Composer in Strauss' "Ariadne auf Naxos", Cornelia in Handel's "Giulio Cesare", both the Muse and Nicklausse in Offenbach's "The Tales of Hoffmann", Meg Page in Verdi's "Falstaff", Octavian in "Der Rosenkavalier", Olga in Tchaikovsky's "Eugene Onegin", the Page in "Salome", Suzuki in Puccini's "Madama Butterfly", and Wellgunde in Wagner's "Das Rheingold".Her last performance at the Met was as Prince Orlofsky in "Die Fledermaus" on January 13, 1990.Boozer has also performed with other opera companies including the Arizona Opera, the Frankfurt Opera, Glyndebourne Festival Opera, Los Angeles Opera, The Netherlands Opera, Opera Memphis, Opéra National de Lyon, Paris Opéra, Pittsburgh Opera, Portland Opera, the Royal Opera, London, San Diego Opera, Teatro Comunale Florence, and the Teatro de Santiago among others.