Dulcinea is a beautiful literary reference to the classic Spanish novel Don Quixote. Dulcinea is the name of the woman whom the main character, Don Quixote, imagines as his perfect, idealized lady love.
In this song, Calle 13 mentions "Don Quijotes y Dulcineas" to highlight the dreamers and grand romantic ideals that exist in the world. It’s a wonderfully unique word that evokes chivalry, imagination, and the concept of an idealized soulmate.
This song is a love letter, but probably not like any you've heard before. The Puerto Rican group Calle 13 starts by listing everything that exists in the world, from the good to the bad to the just plain weird. They mention "vírgenes y prostitutas" (virgins and prostitutes), "vitaminas y proteínas / Marihuana, éxtasis y cocaína" (vitamins and proteins / Marijuana, ecstasy, and cocaine), and even "más ladrones que policías" (more thieves than police officers). It's a huge, overwhelming list of all the contradictions and varieties of life.
After describing this entire chaotic world filled with six billion people, the song hits you with its simple, powerful point: "pero, pero, pero / No hay nadie como tú" (but, but, but / There's no one like you). It's a beautiful way of saying that out of all the billions of people and infinite things on Earth, one person stands out as completely unique. The song isn't just saying "I love you"; it's saying "I see the entire universe, and you are still the most special thing in it."