“Crossroads, Song Around the World,” celebrates legendary musician Robert Johnson and the Mississippi Delta blues

Robert Johnson sign on a street in Clarksdale, Mississippi. photo: Jennifer Sandlin

Back in 2022, Boing Boing’s Gareth Branwyn, self-proclaimed “soft-hearted sucker” for the Playing for Change videos featuring musicians from around the world, wrote about their awesome cover of U2’s “I Still Haven’t Found What I’m Looking For.” I, like Gareth, am also a f…