Carthage music major Katiann Nelson talks about her experiences at Carthage over the last five years as a clarinetist, pianist and singer. She participates in her final opera workshop performances this weekend - portraying Constanze, the widow of Wolfgang Amadeus Mozart, in a presentation called "In Memory of Mozart: Celebrating the Operatic Legacy of a Singular Genius." After graduating from Carthage next month, she will pursue a masters degree in operatic performance at the University of Colorado-Boulder.