Cabalgando means "riding" specifically on horseback. While "riding" can be expressed with other verbs like montar, cabalgando evokes a more traditional, almost epic image of someone on a horse.
In this song, it's used to describe the "Señor Talento" (Mr. Talent) as he comes into the scene, "Viene Cabalgando un hombre con Precaución y cuidado" (A man comes riding with caution and care). This word adds a touch of classic corrido imagery, painting a vivid picture of a powerful figure making his entrance.
Julian Mercado introduces us to "El Señor Talento" [Mr. Talent], a man with admirable talent and the scent of venison, riding with caution and care. This guy seems unstoppable, having achieved everything he's set his mind to. He's so good, the jail cell was too small for him, and now he's challenging the government for his freedom! It seems everyone has a price, and he's paid them all.
The song paints a picture of a powerful figure, someone who's been missed by people of all kinds. He's got his crew ready to work, but he gives them some blunt advice: "si van a contar dinero no lo hagan en donde hay hambre" [if you're going to count money, don't do it where there's hunger] and "si van a soltar la lengua Cuídense deleme grande" [if you're going to let your tongue loose, be careful of the big one]. He's a man who doesn't forgive, reminding us, "no me perdonan tampoco se perdona" [they don't forgive me, nor does he forgive himself]. He's not one for traditions or backing down, and just because he looks small doesn't mean he can be tamed. He's ready to enjoy life with his loyal people, and it sounds like a wild ride!