A las Barricadas

"A las barricadas" is a song that people sing to show their support for a revolution or a movement for change. In the song, people talk about building barricades, which are like walls made out of boxes or other things, to protect themselves and to show that they are not afraid. They also talk about fighting for their rights and for a better future. The song is often sung by people who want to make a change in their country or in the world and it represents their hope and determination.