"Corridos" are a traditional form of storytelling through song, which became widely popular during the Mexican Revolution. They often tell stories of history, oppression, the common human experience and cultural heroes. These songs chronicle life (and sometimes death) in an easily shared and consumed format. A new album by Athens-based musician and activist Beto Cacao carries on the tradition of this musical form. It's called Undocorridos: Songs of the Stories and Struggles of the Undocumented