Three McAllen Independent School District Mariachi Oro brothers took the stage Sunday night, opening for country music star Kacey Musgraves at the historic Gruene Hall.

Antonio, Caleb, and Joshua Gamez-Cuellar are opening three nights in a row for the sold-out shows. Sunday was their first show, they will perform on Monday and Tuesday as well.

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The brothers, along with their parents, were detained by U.S. Immigration and Customs Enforcement earlier this year. They were later released after bipartisan support from lawmakers.