“Triste Pero Bien C*bron Tour” brings Grupo Frontera’s rock/pop-leaning regional sound to the Prudential Center, a familiar spillover stop for New York City audiences who regularly cross the river for arena-scale shows. The set moves between heartbreak narratives and dance-floor pulse, framed by the band’s tight ensemble delivery. In the current NYC-area moment, it reads as part of a broader shift: Spanish-language popular music is no longer a niche booking but a central fixture of the region’s live calendar.