With the arrival of electricity in towns in the Peruvian jungle in the early 70s, a new generation of young musicians swapped their accordeons for synthesizers and electric guitars. That's when Amazonian cumbia was born. It took years before radio stations and locals picked up on the sound, which was well hidden in hard-to-reach places. On 'Perú Selv​á​tico - Sonic Expedition into the Peruvian Amazon,' record label Analog Africa compiles the cumbia sound that erupted from a clash of cumbia, psychedelic music, and surf music.