Well, it is a Steinway.

Tertius picking out simple tunes on the piano. Nails "Mary Had a Little Lamb."

"How does that other one go? You know, 'Croissants.'"

"'Croissants?'" I echo.

"Isn't it 'Croissants'?"

Pause for thought. Then it clicks. "Ah, you mean 'Hot Cross Buns.'"