Metamorfosi' is a phonetic spelling of "metamorfosis," meaning "metamorphosis." It's an interesting word because it refers to a profound transformation, often associated with insects like butterflies.
In this song, Daddy Yankee uses it to describe a personal spiritual transformation: "Paso una metamorfosi', Dios me subió la dosi'" (I went through a metamorphosis, God increased my dose). This suggests a significant, life-changing experience, making it a powerful and memorable word in the context of the lyrics.
Daddy Yankee opens this one like a radio check: "Reportesen en todos los países" (Report in from every country), then hands over the authority in the next breath with "El mando lo tiene YWH" (YWH has the command). What follows is one long invitation. "Todo el mundo están invitao'" (Everybody's invited) lands twelve times, and "Avanza y entra pa'l reino, reino" (Advance and enter the kingdom, kingdom) another twelve. It is a party flyer for heaven, set to the same beat he built his career on.
The verses are where he works out the logistics. "No necesito a la NASA" (I don't need NASA), he says, because "Me pongo de rodillas y me conecto con mi casa" (I get on my knees and connect with my home), and "Porque Yeshua es la llave" (Because Yeshua is the key). That sets up the line the song rests on: "Yo vivo aquí, pero no soy de aquí" (I live here, but I'm not from here). Coming from the man who spent three decades as the biggest name in reggaetón, "En el mundo estoy de paseo" (In the world I'm just passing through) is a heavier thing to say than all the fireworks around it.