The majority of his output is chamber music scored for unusual ensembles, an example being <a href="https://core.musicfinland.fi/works/orior">Orior</a> (2012), written for the Atlas Ensemble that brings together instruments from all around the world. “Using polyrhythmic and polypulsational effects, he creates an impression of musical direction in his works,” writes Jouko Laaksamo. “Although Auvinen takes a Modernist attitude towards composition, he does not neglect emotional tensions, which play a very important part in his music.”</p>