A lineup of artists — including Beck, Common, Gary Clark Jr., Foo Fighters, H.E.R., Juanes, Alicia Keys, John Legend, Chris Martin, Mavis Staples, St. Vincent, Usher and more — pay…

A look at the roots of the historic music scene in L.A.’s Laurel Canyon featuring the music of iconic music groups such as The Byrds, The Beach Boys, Buffalo Springfield,…