At a 1974 performance of Strauss’s ARIADNE AUF NAXOS at the New York City Opera, the tenor singing Bacchus began running out of steam as the opera reached its finale. Just as it seemed he might not make it thru the arduous final bars of his role, soprano Johanna Meier started singing the lines with him.
All’s well as ends well.
Oberon's Glade 