Johnny ---, US country singer and guitarist (4)

I believe the answer is:

cash

(Other definitions for cash that I've seen before include "Wimbledon champion" , "Till" , "notes, perhaps?" , "Hard currency" , "Funds" .)

I've seen this clue in The Times.

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.