She pursued additional study with Clementine Gifford and Roy Schuessler. Engen is an experienced church soloist and choir director. Active in the Minnesota Chapter of National Association of Teachers of Singing, she served as treasurer and now is active in student auditions and as an adjudicator for high school contests. Feldt received a B.A. from Luther College, and M.A. in vocal music and pedagogy from the University of Iowa, and a D.M.A. in vocal performance from the University of Minnesota. Her additional study has been with Kerstin Meyer, Rita Streich, and Rudolf Knoll of the Mozarteum, Salzburg, Austria.
Special interests lie in the performance of lieder, chanson, and opera.
Hardy has appeared in concerts and operas throughout the United States, including appearances with the Opera Company of Boston, the Spring Opera of San Francisco, the Houston Opera, and the Minnesota Opera. She has soloed under Klaus Tennstedt, Neville Mariner, Dennis Russell Davies, Aaron Copland, Edo DeWaart, and Charles Dutoit. In a Winter Garden for Pro Arte, Britten's Paul Bunyan, Copland's Tender Land, and Smythe's Mass in D for Virgin Classics. She has studied with Thomas Grubb and Martin Katz. He has sung professionally in a Cathedral Choir and in the BBC Singers, and more recently was a founding member of the King's Singers, an internationally renowned, six-voice male vocal ensemble.