El Tri brings more than five decades of Mexican rock history to Houston with Alex Lora’s unmistakable rasp leading a catalog shaped by blues, rebellion, humor, and everyday life. The band’s songs have crossed generations without becoming museum pieces; live, they still invite raised fists, shouted responses, and proudly imperfect singalongs. This 713 Music Hall stop should feel like a gathering of longtime devotees and younger listeners discovering how much modern rock en español owes to the…