The Mariachi Los Conquistadores band in San Antonio usually plays at restaurants, and one night their performance of the bluegrass song generated more than just some applause from restaurant patrons.
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The band posted their performance from El Tipico restaurant on their Facebook page on June 1, and it was viewed nearly 4 million times and shared more than 75,000 times and counting.
They told Eyewitness News that they've been receiving a lot of requests to play the song since the video went viral.
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Their usual requests include El Rey, Los Laureles, Volver Volver, Gema and Amor Eterno.
Los Conquistadores is made up of 11 members.
Watch the full video of the performance below.