MROC has produced both traditional and twentieth-century operas and operettas including: Die Zauberflöte, La bohème, Dialogues of the Carmelites, The Pirates of Penzance, The Merry Widow, Jonah, The Medium, La traviata, Die Fledermaus, Così fan tutte, Gianni Schicchi, Suor Angelica, Il barbiere di Siviglia, Rigoletto, HMS Pinafore, A Little Night Music, Carmen and L'Elisir d'Amore.
The company celebrated its 20th season with a May 2010 production of Puccini's Madama Butterfly, featuring Quincy native and international opera singer Michèle Crider as Cio-Cio San.
In November 2002, MROC staged the Midwestern Premiere of David Conte's Gift of the Magi, an opera based on the O. Henry short story with a libretto by Nicholas Giardini.
[1] For the 2021 season, MROC produced the world premiere of Helen, a one-act adaptation of the second and third volumes of Anne Brontë's The Tenant of Wildfell Hall with music composed by Garrett Hope and libretto by Steven Soebbing.
Part of the company's mission is to educate local grade school students in Quincy, Adams County and Hannibal, Missouri about opera, singing and performance.