 In the 2005–2006 season, Forsythe made her debut with Opera Boston and Opera Unlimited as the Angel in Peter Eötvös's "Angels in America".She also sang various roles in Boston Baroque's production of Purcell's "The Fairy-Queen", including the role of the Chinese woman who sings the famous aria "Hark how the echoing air".In the 2006–2007 season, Forsythe made her debut at the Boston Early Music Festival performing the role of Aglaure in the North American premiere of Lully's "Psyché".