In the sixties, British bands like Led Zeppelin and the Rolling Stones mined American blues, first copying their heroes and then creating something vivid and novel.

NEWYORKER: The Dark Arts

"Much like The Rolling Stones went in search of blues guys through the Delta, I mean, these guys did their own personal journey as well, " Berlin says.

NPR: Los Lobos In Concert

Nor did the Rolling Stones with their pastiche of American blues, although some preferred their fiercer music.

ECONOMIST: George Harrison | The