Matraca literally translates to "rattle" or "clapper," often referring to a noisemaker. It's an interesting word because it's not commonly found in everyday Spanish songs, making it unique and memorable.
In the context of this song, which is a corrido (a narrative ballad often about controversial figures), "suena la matraca" (the rattle sounds) is a metaphorical phrase. It suggests that when things go wrong or someone steps out of line, a warning or consequence is imminent. It implies a signal that trouble is brewing or that a reckoning is at hand, adding a layer of intrigue to the lyrics.
Gerardo Ortiz is here to tell us that sometimes, being strong is the only option. In "Aquiles Afirmo," he's laying down the law and making it clear who's in charge. He says, "Aquí les afirmo que yo soy el dueño" [Here I affirm that I am the owner] and "Aquí les advierto que yo tengo el mando" [Here I warn you that I have the command]. It's a bold statement about power and control, especially when he talks about a "nueva Tijuana" [new Tijuana] where battles are expected.
This song is all about loyalty and strength. Gerardo Ortiz is presenting a united front, mentioning "el cartel de la Juana" [the cartel of Juana] and how it "Se ha de respetar" [must be respected]. He's got his "equipo armado" [armed team] and "hombres preparados" [prepared men], ready to fight "hasta la muerte" [until death]. He even mentions a "pacto cerrado" [closed pact] with strong people from the South, showing that he has serious backing. It's a declaration of dominance and a warning to anyone who might challenge him.