Conversation so far:
When did Ezio Pinza start performing in operas?
Pinza's Metropolitan Opera debut occurred in November 1926 in Spontini's La vestale, with famed American soprano Rosa Ponselle in the title role.
Was Ezio Pinza immediately successful?
Has Ezio Pinza worked with anyone notable?
In 1929, he sang Don Giovanni, a role with which he was subsequently to become closely identified.
What other operas has Ezio Pinza been a success in besides pinza's metropolitan opera?
He subsequently added the Mozart roles Figaro and Sarastro to his repertoire, a vast number of Italian operatic roles of Bellini, Donizetti, and Verdi, and Mussorgsky's Boris Godunov.
What operas did Ezio Pinza perform at the Royal Opera House?
When did Ezio Pinza stop performing?
1956

Question: What did he do after retirement?
Self-contained rewrite: What did Ezio Pinza do after retirement?