The following video is from the national sound archive of Mexico (Fonoteca Nacional de México, 2014). I chose this video for my introduction because I was deeply interested in the concept of preserving sound as a cultural patrimony, specially from Mexico that is my native country. Their archives contain recordings of historic moments in Mexican history, from speeches of famous presidents, to songs and tales of the soldiers that fought in the Mexican revolutionary war. This place is the best example of how sound can be used not just for music or art but as a way to preserve history and continue a cultural heritage.