We are improving our addled minds by watching trained singers yowl at each other. It's very edifying.
This is the Duetto Buffo di Due Gatti by Rossini. "Miau" translates, roughly, as "Meow".
Note to fans of the Betsy-Tacy books: this is the Cat Duet that Betsy and Tacy sang every year.
And because we can't let well enough alone, here are two other versions we particularly enjoyed.