He was singing as in the song by Roberta Flack. Strumming my pain with his fingers.

[3apa3a]

Except he was performing a Leonard Cohen song in French in Montreal.

Я положил в его гитарный футляр два доллара и попросил разрешения снять песню на Айфон. Он просто кивнул в знак согласия.