Conversation so far:
Has Rosa Ponselle ever perfomed overseas?
Outside the USA, Rosa Ponselle sang only at Covent Garden in London and in Italy.
What year did Rosa Ponselle begin to perform in London?
In 1929, Rosa Ponselle made her European debut in London, at the Royal Opera House at Covent Garden.
When did Rosa Ponselle finish her career?
Rosa Ponselle's last operatic performance was as Carmen on April 22, 1937, in a Met tour performance in Cleveland.
What did Rosa Ponselle perform later in her career?
In 1935, Rosa Ponselle sang her first Carmen at the Met.
What did people think of Rosa Ponselle's 1935 performance at the Met?
In spite of a great popular success with the role, Ponselle received a drubbing from most of the New York critics, whose savagely caustic review hurt her deeply.

Question: were recordings ever released of her performances?
Self-contained rewrite: Were recordings ever released of Rosa Ponselle's performances?