Paul Brown

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RACHEL MARTIN, HOST:

Bluegrass legend Ralph Stanley has passed away at the age of 89. NPR's Paul Brown has this appreciation.

(SOUNDBITE OF RALPH STANLEY SONG, "ROOM AT THE TOP OF THE STAIRS")

There might be no bluegrass music as we know it without Wade Mainer, who died Monday at his home in Flint, Mich., Sept. 12 at age 104.