In November, the police chief in the Mexican border city of Tijuana canceled a concert by a famous group of musicians after they released a song that suggested they had real-life links to the drug traffickers they'd been singing about for years.

Since then, the band has gone elsewhere. On Friday night, a burst of prerecorded gunfire echoed through a Memphis nightclub as the red-suited members of Los Tucanes de Tijuana launched their signature song, "El Papa de los Pollitos." (CAUTION: This link leads to a music video that contains some elements of violence and nudity.)

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