Sorores Duo
Sorores Duo has been performing together for over ten years. They have built a repertoire of works with a particular emphasis on contemporary music, as well as music related to the Holocaust. Programs range from serious to whimsical. Their "signature" piece, The Child in the Hole by William Vollinger, was the springboard for their collaboration.
Having performed throughout the United States, the ensemble features works by Vollinger, Jacob, Seiber, Greaves, Schubert, Laitman, Gordon, Tate, and Roe, to name a few. Although they perform with pianists as a trio, they enjoy the duo experience performing together. They have performed at Sigma Alpha Iota National Conventions, College Music Society South Central Regional Conference and several colleges and universities.
The Duo attended undergraduate school together at Truman State University and were sisters in the women’s fraternity Sigma Alpha Iota. The name “sorores” is Latin for “sisters,” from which their professional collaboration was born.
Amy Rosine - soprano
Amy Rosine, lyric soprano, is Associate Professor of Music at Kansas State University where she teaches Applied Voice, Vocal Techniques, and is the vocal director for K-State musicals. Rosine frequently performs with clarinetist Dr. Sandra Mosteller as the “Sorores Duo.” She has been a featured soloist in Brahms Requiem and Carmina Burana at the prestigious Kauffman Center in Kansas City. Rosine’s favorite opera roles include Rosalinda (Die Fledermaus), Donna Elvira (Don Giovanni) and Countess Almaviva (Le Nozze di Figaro). She has performed with Kanas City Civic Opera and Lyric Opera Express, Fort Worth Opera, Opera in the Ozarks, the St. Charles Music and Arts Festival, and the Lake Placid Institute Vocal Seminar. She is a recipient of the Alpha Corrine Mayfield Award in Opera Performance from the National Federation of Music Clubs.
She holds degrees from the University of Kansas (DMA), the University of Missouri-Kansas City (MM), and Truman State University (BME). Voice teachers include Inci Bashar, Norman Paige, and Kathleen Dawson. She has been a faculty member of the International Opera Performing Experience (Italy), Riverside Lyric Opera Adult Opera Program (CA), and Blue Lake Fine Arts Camp (MI). She founded the Flint Hills Vocal Academy with fellow faculty member Cheryl Richt. The academy is for 7th-12th grade singers.
Professional memberships include National Association of Teachers of Singing, College Music Society, Fellowship of United Methodist Music and Worship Artists and Sigma Alpha Iota, where she serves as a Province Officer.
Sandra Mosteller - clarinet
Clarinetist Sandra Mosteller frequently performs as soloist, orchestral, and chamber musician. She has been a featured soloist throughout the United States and in Belgium, Spain, and Russia. She has performed works for composers including Thea Musgrave, Donald Erb, Bruce Mahin, Mark Kilstofte, and Rodney Washka. She has commissioned and premiered several pieces, including works by composers Gary D. Belshaw, Douglas Brown, and Belgian composer Norbert Goddaer. She is principal clarinet of the Plainview Symphony, and is a member of the Lubbock Moonlight/Broadway Musical orchestra.
Mosteller often teams with lyric soprano, Amy Rosine (Kansas State University) in their Sorores Duo, an ensemble dedicated to the promotion of new music, as well their special interest in music of the Holocaust.
Dr. Mosteller is Professor of Instrumental Music at Wayland Baptist University, where she teaches applied clarinet and saxophone, chamber music ensembles, woodwind methods, world music courses, and online general music courses, as well as serving as junior and senior recital coordinator. Her private students have achieved success at the state, regional, and national level; including scholarships to major universities, summer music institutions, all-state, and honor band festivals.
Dr. Mosteller earned a doctorate in Clarinet Performance at the University of North Carolina at Greensboro, master’s degree in Clarinet Performance at Arizona State University, and both master and bachelor degrees in Music Education at Truman State University. Her major clarinet teachers include Kelly Burke, Robert Spring, Ted Gurch (Atlanta Symphony), Richard Weerts, David C. Nichols, Debbie Augsberger, and Paul Brizzi. She is a life member of Sigma Alpha Iota and Pi Kappa Lamba. She performs on Buffet Greenline clarinets, with Muncy Barrels. She uses Pyne and Vandoren Mouthpieces with Vandoren V-12 reeds.