In this week's sparkling new Rolling Stone 40th Anniversary edition, the magazine calls attention to the international nonprofit network LinkTV 's site for on-demand streaming music videos, interviews, and documentaries on music and musicians from around the world, including concert footage of Malian singers Amadou & Mariam performing songs from their smash CD Dimanche à Bamako in Paris and a documentary that "looks at Brazil and its music through the eyes and voice of it greatest songwriter and poet, Caetano Veloso."