Specific duties involved include: planning 2 or more well-balanced concert programs, appropriate to the technical and musical capabilities of the ensemble members, for the autumn and spring quarters; training and rehearsing the UChO as well as the cast and chorus chosen by the Gilbert and Sullivan Opera Company for the annual G&S production at the end of the winter quarter, which includes three public performances; leading all weekly rehearsals and all public performances of the ensemble; providing instructional materials and specific assignments to the student musicians; assessing and documenting the progress of those instructed. Beyond the classroom, the Music Department hosts a thriving co-curricular Performance Program that involves 750+ musicians and encompasses four choirs, two orchestras, a wind ensemble, two jazz ensembles, a percussion ensemble, as well as a South Asian, a Middle East, Early Music, and Afro-Cuban Ensemble, plus specialized programs in chamber music, piano, and vocal studies.