(Photo: Zani-Casadi) For the November installment of the Ravenna Festival, it was decided to present a Händel trilogy, comprising two fully staged operas, “Orlando” and “Alcina,” and a concert performance of his oratorio “The Messiah.” First up was the composer’s 1733 composition, “Orlando,” written to a libretto by Carlo Sigismondo Capece, which premiered at London’s King’s Theatre and ran for {…}