Fans of the popular British baking show know that you don’t want your many-layered cake to concertina, or “collapse like an accordion.” The verb concertina, in this sense, derives from the name of an accordion-like instrument. This...
Did you ever take lessons to play the stomach Steinway? You know, the accordion? That’s another bit of musicians’ slang sent in by a listener, along with the term bunhead, which means “a ballet dancer.” This is part of a...

