Oral Traditions: El Paso and the Strength of the Mexican Corrido and/or the West African griot

Mass Media: A medium of your choice (e.g. a newspaper, a book, a movie)

What information are being shared in the Mexican Corrido and/or the West African griot? How is it being conveyed?
What information are being shared in your mass medium of choice? How is it being conveyed?
How are they similar?
How are they different?