A look into the greatest riffs in folk music, covering everyone from Neil Young and Joni Mitchell to Blind Lemon Jefferson and Robert Johnson.

The Godfather of freak folk, Michael Hurley, died on April 3 at the age of 83. His songs often mixed humor, unusual characters, and emotion and were also described as “outsider folk.

An activist and star of the TV series Silent Witness along with one of the biggest names in folk music have been named in the ...