Instagram/Kacey Musgraves & Antonio Music Kacey Musgraves teams up with The Mariachi Brothers, a young Texas trio recently detained by ICE, for three special album release shows at Gruene Hall in May. April 29, 2026 AceShowbiz - Kacey Musgraves is set to collaborate with young Texas musicians, The Mariachi Brothers, for a series of album release performances this May. The country artist announced on April 28 that the trio, who were detained by ICE earlier this year, will join her at Gruene Hall in New Braunfels, Texas.