The Canadian rock duo Angine de Poitrine, hailing from Saguenay, Quebec, has achieved significant online recognition this year with its intricate, virtuosic, and largely instrumental music. The band, known for its distinctive long-nosed, polka-dotted masks, recently released its second album, “Vol. II,” on Friday.

Angine de Poitrine's recent live performance for Seattle public radio station KEXP, recorded in France and featuring three tracks from "Vol. II," has garnered widespread attention, accumulating more than six million views on YouTube. This session also generated an enthusiastic comments section, reflecting the band's growing internet presence.

The duo's members, Klek de Poitrine on drums and Khn de Poitrine, who plays a specialized double-necked guitar and bass with closely spaced frets enabling 24 notes per octave, maintain their anonymity through pseudonyms and visual concealment. Their name translates from French to angina pectoris, a medical term for chest pain. The musicians have been collaborating for two decades, since their teenage years, and began performing masked in 2019. What initially started as a practical joke to avoid recognition when booked twice at the same venue quickly evolved into a core aspect of their unique stage persona, characterized by playful mystery.

During performances, Khn de Poitrine, often barefoot with polka dots painted on his feet, utilizes a looping setup to layer guitar and bass parts, constructing complex arrangements of riffs, melodies, dissonant chords, and frenetic solos. Klek de Poitrine provides a precise rhythmic foundation. The duo's rare vocals are electronically distorted and unintelligible, and they incorporate ritualistic hand gestures between songs.

Angine de Poitrine's music is recognized for its technical skill and demanding live execution. Their compositions frequently incorporate the complex odd meters characteristic of math-rock and feature zigzag melodies that draw inspiration from Middle Eastern, Asian, Balkan, and North African musical traditions, alongside elements of psychedelia, funk, and progressive rock. The band cites a wide range of influences, including artists such as Frank Zappa, Captain Beefheart, Mahavishnu Orchestra, Primus, King Crimson, Tinariwen, Battles, and King Gizzard & The Lizard Wizard. Their sound is characterized by precision, agility, and stamina, collectively contributing to a distinctively high-energy atmosphere.

"Vol. II," like their 2024 debut album "Vol. 1," comprises six meticulously structured tracks. Noteworthy songs include "Sarniezz," which begins as a bluesy shuffle before shifting into double time with complex microtonal passages; "Utzp," which evokes a distorted klezmer melody; and "Mata Zyklek," which accelerates into rapid five-beat sections. Other tracks such as "Yor Zarad" alternate between sharp riffs and dynamic melodies, while "Fabienz" features a stop-start rhythm that evolves into a funky groove, and "Angor" explores variations on persistently repeated musical phrases. The band's artistry reflects a deep understanding of rhythm, repetition, dissonance, surprise, and noise, presented within a whimsical framework.