Donna Elvira (R), played by Dutch mezzosoprano Olivia Vermeulen, kneels down with Dio Giovanni at Monday's concert. [Photo by Han Mo]

Donna Anna (L), played by Hungarian soprano Polina Pasztircsak, sings her lines as her fiance Don Ottavio, played by German tenor singer David Fischer, looks on at Monday’s concert. [Photo by Liu Xudong]

Don Giovanni (L), played by Norwegian baritone Johannes Weisser, sings "The Serenade of Don Giovanni" at Monday's concert opera staged by Freiburger Barockorchester. [Photo by Han Mo]