Spanish anarchist anthem - A las barricadas [+English translation] 

The only intent of these videos is to exhibit historical anthems and songs from Spain, this channel is apolitical/La única intención de estos videos es exhibir himnos históricos y canciones de España, este canal es apolítico.
The Iberian Anarchist Federation is a Spanish organization of anarchist (anarcho-syndicalist) militants active within affinity groups inside the Confederación Nacional del Trabajo (CNT) anarcho-syndicalist union. It is often abbreviated as CNT-FAI because of the close relationship between the two organizations.