Chaparrones literally translates to "downpours" or "heavy showers". It's a vivid and somewhat less common word for rain, often implying a sudden and intense burst.
In the context of the song, José Mercé uses it metaphorically to describe facing life's difficulties and challenges. He sings, "Así yo a chaparrones no resbalo" (So I don't slip on downpours), meaning he's resilient and doesn't falter when faced with tough times. This powerful imagery makes it a memorable and engaging word.
José Mercé opens by telling you how this has to be sung: there is no other way to do it, at least not without dando el corazón. What follows is a love letter that admits language is not up to the job. No distance ever ends, no book explains it, and there is not a single sigh, hug or secret left that is not about you. Then the chorus stops apologising and starts handing things over: laughter, dancing, a new flavour, cotton bullets and cardboard bombs, whole wars fought in colour.
Mala Rodríguez takes the second half somewhere tougher. She has felt broken glass under her feet, she is used to taking knocks, and she refuses both to hang medals on herself and to keep quiet. Tomatito's guitar is the thread holding the two voices together. For a learner this is a great pair of registers in one track: Mercé's verses are clean and almost formal, while Mala's are fast Andalusian street speech, full of clipped endings like senti'o and acostumbra'ita.