A new production of the all-Spanish opera “El Último Sueño de Frida y Diego” takes the stage in New York City this week, while a partner exhibition at the Museum of Modern Art explores the art behind the opera Carlos Álvarez as Diego Rivera and Isabel Leonard as Frida Kahlo in El Último Sueño de Frida y Diego Marty Sohl / Met Opera Frida Kahlo is rising from the dead at the Metropolitan Opera . The New York City theater is staging a new production of El Último Sueño de Frida y Diego , or The Last Dream of Frida and Diego , a magical-realist opera that imagines an afterlife encounter between the iconic Mexican painter and her husband, artist Diego Rivera . The opera is “a journey of emotions that every human can possess, told through the lens or perspective of iconic humans that many of us admire,” mezzo-soprano Isabel Leonard, who plays Kahlo, tells the Associated Press ’ Mike Silverman.…