Which play was adapted by Vladimir Zotov  Iolanta or Die Meistersinger von Nürnberg?
Iolanta: Iolanta, Op. Iolanta:  The play was translated by Fyodor Miller and adapted by Vladimir Zotov. Die Meistersinger von Nürnberg: Die Meistersinger von Nürnberg (] ; "The Master-Singers of Nuremberg") is a music drama (or opera) in three acts, written and composed by Richard Wagner.
Iolanta