Horne, Ms. Marilyn Visiting Guest Artist biography Cox, Ms. Donna 325-2336 Visiting Instructor of Music (Voice) CH 310 dmcox@ou.edu biography Ernst, Ms. Janna TBAVisiting Assistant Professor (Vocal Coach) CH 312 Janna.D.Ernst-1@ou.edu biography Josephson, Mr. Kim 325-5554 Associate Professor of Music (Voice) CH 304 kjosephson@ou.edu biography Leffingwell, Dr. Dolores 325-2680 Associate Professor of Music (Voice) CH 311 daleffingwell@ou.edu biography O'Brien, Ms. Clara 325-3315 Assistant Professor of Music (Voice) CH 311 cobrien@ou.edu biography Richstone, Mr. Lorne 325-1859Assistant Professor of Music (Vocal Coach) CH 306 lornerichstone@hotmail.com Williams, Mr. Bradley 325-5309 Associate Professor of Music (Voice) CH 310 bwtenor@ou.edu biography
