Instagram/Grupo Frontera Music Grupo Frontera launches their biggest U.S. tour yet, hitting 27 cities, plus Canada and Puerto Rico, starting March 15. May 5, 2026 AceShowbiz - The Mexican American band Grupo Frontera is set to embark on an extensive U.S. leg of their Triste Pero Bien C*brón Tour, starting March 15. This new series of dates includes 27 cities across the United States, as well as stops in Canada and Puerto Rico, marking their most ambitious tour in the U.S. to date. Staying true to their Texas roots, Grupo Frontera will perform in six major cities within the Lone Star State.