Discover the story of the song > Negro Y Azul: The Ballad of Heisenberg – Los Cuates de Sinaloa

The song is about a new drug called "blue crystal" that has become popular in a city called Duke, in New Mexico. The drug has caused problems with the local mafia, who are now talking about a mysterious figure called Heisenberg who has taken over the drug market. Despite rumors, nobody has actually seen or knows anything about Heisenberg, but his reputation has spread even to other parts of Mexico.