Unlike previous works, Infinity has no songs written in French. Instead, they are written in English, Faroese, Icelandic, and Breton. This corresponds with an interview that Tiersen had with Port Magazine, where he expressed his appreciation for Breton culture over French culture.[1]
Infinity received some acclaim from music critics. At Metacritic, which assigns a normalized rating out of 100 to reviews from mainstream critics, the album received an average score of 74 based on 15 reviews, indicating "generally favorable reviews".[2] The Sonic Seducer noted a similarity to Sigur Rós in the overall percussion passages, as well as post-rock influences in "Ar Maen Bihan".[3]
Maria Huld Markan Sigfúsdóttir – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "In Our Minds", "The Crossing", "Meteorites".
Edda Rún Ólafsdóttir – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "Steinn", "In Our Minds", "The Crossing", "Meteorites".
Hildur Ársælsdóttir – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "Steinn", "In Our Minds", "The Crossing", "Meteorites".
Neil Turpin – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Steinn", "Grønjørð", "In Our Minds", "The Crossing", "Meteorites".
Stéphane Bouvier – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "Steinn", "In Our Minds", "The Crossing", "Meteorites".
Felix Classen – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "Steinn", "In Our Minds", "The Crossing", "Meteorites".
Ólavur Jákupsson – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Steinn", "In Our Minds", "The Crossing", "Meteorites".
Lionel Laquerrière – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "Steinn", "Meteorites".
Gaëlle Kerrien – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "Steinn".
Sólrun Sumarliðadóttir – vocals on all tracks except on "∞" (Infinity), "Ar Maen Bihan", "Grønjørð", "In Our Minds", "The Crossing", "Meteorites".
Emilie Quinquis – vocals on all tracks except on "∞" (Infinity), "Grønjørð".