Founded in the late 2000s, the band—bassist/vocalist Christian Di Mambro, keyboardist/guitarist/vocalist Stephan Di Mambro, percussionist Vito De Francesco, and lead guitarist/vocalist Sam Ermellini—have already established themselves as unquenchably imaginative, determined, and skillful on their first two full-length statements (2012’s eponymous debut and 2017’s Element of Surprise) and prior EPs. In fact, Edwin van Hoof of HeadBangers Lifestyle praised Pyramid Theorem as "perhaps one of the finest bands in progressive rock today," with other outlets—ProgArchives, Metal Kingdom, and Metal Music Archives—showering them with comparable praise.