Soprano and Aspen Opera Theater and VocalARTS fellow Yvette Keong at a recent opera scenes master class at the Wheeler Opera House. Baritones Ian Rucker and Joshua Conyers at a recent opera scenes master class at the Wheeler Opera House. William Guanbo Su, bass, at a recent opera scenes master class at the Wheeler Opera House. Aspen Opera Theater and VocalARTS co-directors Patrick Summers and Renée Fleming at a recent master class with students at the Wheeler Opera House. Soprano Yaritza Veliz with Ian Rucker and Joshua Conyers at a recent opera scenes master class at the Wheeler Opera House.