Credo translates to "creed" in English. It refers to a set of beliefs or principles that guide someone's life or actions, often with a strong sense of conviction.
In the context of "Mi Credo," the word is used metaphorically to express that the person being sung about is the singer's ultimate belief system, their guiding principle, and essentially their "religion." This powerful and unique usage elevates the song's romantic theme beyond a simple love song, making it deeply engaging and memorable.
Have you ever loved someone so much that you'd follow them anywhere, even with your eyes closed? That's the intense feeling in Los Gemelos De Sinaloa's "Mi Credo"! The singer declares, "por donde tú vayas iré" [wherever you go, I will go], showing a complete devotion. He even says, "con una venda los ojos lo haré" [I'll do it with a blindfold over my eyes], which really emphasizes how much he trusts and believes in this love.
This song isn't shy about calling this kind of love a "fanatismo" [fanaticism], but the singer doesn't care! He says, "a quién le importa si le llaman fanatismo" [who cares if they call it fanaticism]. For him, this person is his "credo" [creed] and a "pedazo del cielo" [piece of heaven]. He'd rather "morir junto a ti para no verte" [die next to you so I don't see you] if it means being without them. It's a powerful, all-consuming love that becomes the most important thing in his life.