Artist appearances at Metropolitan Opera concerts

No artists have performed a song with Artist: Metropolitan Opera (50a2fa75-e647-42cf-b97a-211acbaf8c25) on stage yet. Have you seen an artist hitting the stage at a Artist: Metropolitan Opera (50a2fa75-e647-42cf-b97a-211acbaf8c25) concert? Add or edit the setlist and help improving our statistics!