A show worth hearing (7)

I believe the answer is:

musical

I'm a little stuck... Click here to teach me more about this clue!

'a show' is the definition.
(I know that show can be written as musical)

I don't understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for musical that I've seen before include "Tommy, for one" , "Annie or Mame, say" , "Euphonious" , "Song and dance show" , "Drama with singing" .)

I've seen this clue in the Evening Standard.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.