"Joyce Castle reached a milestone last fall: Forty years as an opera singer. Forty years and 130 roles cast in her inimitable fiery bronze. From regional companies across America and Europe to the glamorous concert halls of Paris, Vienna, London and New York, the mezzo-soprano from Baldwin City, Kan., has made her mark with consummate musicianship and impeccable characterizations. No diva, Castle is one of those indispensable artists who keeps the opera world humming, a skilled
