Each album has charted since then, including three (2012's Grandes Exitos, 2014's Contigo, and the following year's Historia de la Calle) that placed in the Top 200 and topped the Mexican Regional Albums chart. Mazatlan' (a duet with Gerardo Ortiz) and 'Callejero y Mujeriego,' helped propel their 2010 debut album, Renovar o Morir, to a strong chart showing and also the Lo Nuestro Award for Regional Mexican New Artist of the Year.

Founded in 2010, the band started on the stages of small restaurants and local parties, where their theme song, 'El Infiernito,' opened the doors to airplay. Even though many of their narcocorridos are officially banned from airplay in their home country, word of mouth and streaming have served to get their music to an ever-growing audience.

Their provocative name ('armor-piercing bullet') was chosen as a symbol for their music, whose strength they hoped would carry them across the border from Mexico north to the United States and south across Latin America.

Calibre 50 are an award-winning norteño quartet from Mazatlan, Sinaloa founded in 2010 by Eden Muñoz (vocals, accordion), Armando Ramos (guitars, vocals), Martín López (tuba), and Augusto (drums).

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