Pickup on Noon Street by Raymond Chandler

The Negro in the checked suit sat on the side of the daybed and picked languidly at a five-stringed banjo. His large face was solemn and peaceful, a little sad. He plucked the banjo strings slowly, with his bare fingers, his head on one side, a crumpled cigarette-end sticking barely past his lips at one corner of his mouth.

Low down in his throat he was making a kind of droning sound. He was singing.