What makes Colossus by Caligula's Horse notable?

'Colossus' garnered attention within the progressive metal community, marking the band's arrival on the scene. Its positive reception helped them secure a dedicated fanbase and led to opportunities for touring and further releases. Released in 2011, 'Colossus' is Caligula's Horse's debut EP following the formation of the band in 2011. This project established their sound and set the stage for their future albums, showcasing their blend of progressive metal with melodic elements.