In the 2008–2009 season, Forsythe is scheduled to sing Rosalia in Rossini's "L'equivoco stravagante" and in a recital with Joyce DiDonato at the Rossini Opera Festival. She will also perform the role of Atalanta in Handel's "Xerxes" with Boston Baroque, Venus in Blow's "Venus and Adonis" at the winter Boston Early Music Festival, Barbarina in Mozart's "Le nozze di Figaro" at the Théâtre des Champs-Élysées, and Ellenia in Christoph Graupner's "Antiochus und Stratonica" at the summer Boston Early Music Festival. Additionally, Forsythe will appear in concerts with the Netherlands Radio Symphony Orchestra, Apollo's Fire: the Cleveland Baroque Orchestra, Orquesta Sinfónica de Tenerife, and at the Festival Casals.