|Hold it right there, outlaw!|
This article is littered with spoilers, so I reckon you might ought'a mosey on down the road if you don't want to read any plot details.
–Nathan Harling upon being approached by John Marston
When the player encounters him, he is not playing music, but kicking back in a chair. In exchange for information regarding Peter Turner, the player must give him $5, or help him with the troubles he's having with his wife, Rose Harling.