2895. The rest of the story

Author and great friend Judith Marks-White had this limerick published in the 9/16/18 AWADmail:

There was once a young spinto soprano,  
Who traveled from far Capistrano.
He liked strutting the stage
In op’ratic enrage
As the cowardly El Capitano.

I wrote her, saying, "You've inspired me to write a 2nd verse.  Maybe not Kurt, but its first line is pretty Weill."

He could out-sing Ms. Lenya (that's Lotte)
And though male, when he needed to potty
He would sit, never stand,
Let it hang, used no hand,
He sang high because he was castrati.