Xoel López's wide-ranging, folky pop-rock draws inspiration from all corners of the map, and this list of trailblazing troubadours demonstrates the Galician's eccentric genius. His psych-rock-leaning nylon guitar work borrows from the Tropicália of Caetano Veloso and Tom Zé, and his outlandish songwriting skills echo Revolver-era Beatles in their weird, recherché beauty.