Charlando Cosas: Hablemos del inicio del UndeL con Big Daddy Joaquín

The bell just rang in Professor Charlie's class, and this time the guest is one of those unsung pioneers of the genre who's rarely mentioned, but who has a long and storied history: Big Daddy Joaquín. Listen up, guys, because in this school, the teachers who were actually on the rubber floor when the urban genre was just getting started are speaking.