In 2013 Rivera performed Kurt Weill 's Mahagonny Songspiel .
In 2013 Rivera portrayed the Nanny in Ernst Toch 's Princess and the Pea at the Gotham Chamber Opera .
In 2013 Rivera performed Kurt Weill 's Mahagonny Songspiel and portrayed the Nanny in Ernst Toch 's Princess and the Pea at the Gotham Chamber Opera .