Check out these videos featuring Broadway cast members Donna Vivino (s/b Elphaba) and Kate Fahrner (s/b Glinda) performing at Bryant Park on July 19, 2012. The videos were posted by YouTube user NewYorkTheater.
Donna Vivino sings “The Wizard and I”.
Kate Fahrner sings “Popular”.
Donna Vivino and Kate Fahrner sing “For Good”.