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To those familiar with the slow-building, epic music of Sigur Ros, it will come as no surprise that Julianna Barwick lists the Icelandic band as a major influence.

The New York songwriter has recorded with the group’s Alex Somers, as well as touring with them, and she extolled their virtues in an interview with The Guide recently.

Barwick uses her voice as an instrument, looping various vocal outputs over each other to achieve a rich, resonant patchwork.

Following Sigur Ros’s unorthodox vocal approach – the band are famed for inventing their own language – Barwick is non-verbal; she prioritises sounds and melodies over actual lyrics.

The Komedia studio became an echo chamber as Barwick’s multi-layered harmonies filled the room. She built upon basic beginnings – all of her songs start with either a simple vocal or keyboard line – to eventually construct swirling soundscapes that were as powerful as they were delicate.

A standout example of this approach was the single Nebula from Barwick’s latest (and third) album Will, her beloved Moog keyboard complementing her haunting and faraway voice.

Piano instrumental number Call, in all its subtle beauty, provided a welcome change of pace after a particularly vocal-heavy run of songs.

If there is one complaint it is that Barwick’s music occasionally lacks definition – the "wall of sound" aesthetic sometimes leaves you longing for a bit of punch – but on the whole this was an enchanting concert.