Trinta & Um, often stylized as XXXI, is a Portuguese punk rock band known for its energetic performances and poignant lyrics that touch on societal and political issues. The group has carved out a niche for itself in the vibrant and diverse Portuguese music scene through a relentless DIY ethos and a staunch commitment to maintaining punk rock's raw edge. Since the band's formation, Trinta & Um has steadily gained a reputation for its hard-hitting sound and has become a staple in the underground music community.

The band's recent release, "Ao Vivo na Academia," captures the unadulterated fervor of their live shows, offering fans a taste of their stage presence and the electric atmosphere they create during performances. "Terceiro Assalto" showcases their evolving style, with persistently bold riffs and rhythms, further cementing their place in the punk rock genre. "Não Há Regresso" signifies the band's no looking back attitude, delivering punchy tracks that resonate with a sense of urgency and defiance. Lastly, "O Cavalo Mata!" remains faithful to the raw, unpolished sound that Trinta & Um's followers have come to expect, filled with anthemic choruses that demonstrate the band's ability to blend melody with a rugged punk aesthetic. With these releases, Trinta & Um continues to affirm their position as a signature punk band within the Portuguese music landscape, appealing to a generation of listeners that finds solidarity and expression in the band's charged, confrontational music.