Substructure has been played on NTS shows including United In Flames w/ Malibu , with Firewire first played on 2 December 2020.

Substructure was a progressive deathcore band from St. Louis, Missouri that formed in 2011 and ceased activities in 2013. Their EP 'Monolith' was released on September 2, 2011.

Bandcamp - http://substructure.bandcamp.com Facebook page - http://www.facebook.com/Substructurestl

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There is also an ambient artist of the same name.