The new album Lost And Found compiles unheard recordings from the Buena Vista Social Club sessions, as well as solo work from the musicians involved. Alejandro Perez /Courtesy of the artist hide caption

itoggle caption Alejandro Perez /Courtesy of the artist

Legendary norteño group Los Alegres de Terán, in a promotional still from the 1976 documentary Chulas Fronteras. Courtesy of The Arhoolie Foundation Frontera Archive/UCLA Chicano Studies Research Center Press hide caption

itoggle caption Courtesy of The Arhoolie Foundation Frontera Archive/UCLA Chicano Studies Research Center Press