Concertysos
On the last Friday of October, Real República dos LyS.O.S. hosts the debut of CarneViva (Death/Thrash), accompanied by the new lineup of Este Carro Não Tem 6ª (Groove/Jungle). Free concert.

Image: from the event entry at Agenda Porto.
Source: Agenda Porto (Câmara Municipal do Porto). Details can change; the original entry is the reference.