This is what we found on Wikipedia regarding the Rodrigo Amarante:

Rodrigo Amarante de Castro Neves (born 6 September 1976) is a Brazilian singer-songwriter, multi-instrumentalist, composer and arranger. He is part of the bands Los Hermanos, Orquestra Imperial, and Little Joy, and released his first solo record, Cavalo, in Brazil in late 2013 and worldwide in May 2014. He also wrote and performed the (bolero style) narcocorrido "Tuyo", the theme song for the Netflix Original Series Narcos (2015) and Narcos: Mexico (2018), and wrote the score for the film Entebbe (2018).