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Hailed as one of the most inventive math-rock acts around the globe; with their flavour of controlled chaos sweeping through every influence imaginable - from post-rock to hardcore to electronic to jazz. They’ve played bills with every genre under the sun, supporting And So I Watch You From Afar (UK), Tortoise (US), Jean Jean (FRA), Regurgitator, Delta Sleep (UK), and We Lost the Sea to name a few. Their critically-acclaimed album topped the genre in 2017, making many AOTY lists; and saw the band tour Japan and win over Tokyo with their slot at Bahamasfest 2017. A surprise last-minute addition to the Progfest 2018 Sydney lineup made an impression to last - seeing the band return to Progfest 2019, and another full tour of Japan shortly after. In 2021, SEIMS released their cinematic epic, "FOUR", and 2022 saw the quartet venture to the UK with their debut appearance on the mainstage at ArcTanGent 2022, with 2023 seeing them for Portals Festival (UK) and Dunk! Festival (Belgium).