Carlos Álvarez and Rocío Ignacio are set to give a recital at the Bilbao Opera on April 17. The two stars will perform at the Sociedad Filarmónica Bilbao for a socially distanced audience in scenes from “Henry VIII,” “Louise,” “Hamlet,” “Turandot,” “Zazà,” “Pagliacci,” “Un ballo in maschera,” “Simon Boccanegra,” and “Il Trovatore.” Rubén Fernández Aguirre will accompany the two soloists. Álvarez {…}