Fermin Muguruza is the prime mover behind Kortatu and Negu Gorriak, two of the fiercest rocking punk-rooted bands you probably never heard, Fermín Muguruza is almost certainly the single most important catalyst in the development of the radical, Basque language rock/punk scene that flowered in the ’80s and ’90s. A political radical who believes in music as a vehicle for spreading anti-system ideas, his lyrics combine a fervent Basque nationalism with an anti-imperialist internationalism grounded in human rights and self-determination for indigenous peoples.