What makes ...And the Sky Fell by PSOTY notable?

...And the Sky Fell received critical acclaim within underground metal circles, contributing to a resurgence of interest in post-metal genres during the late 2000s. Its complex compositions and thematic depth influenced subsequent artists and earned features in niche publications dedicated to progressive music. In 2010, PSOTY released ...And the Sky Fell as their debut album, marking their entry into the post-metal and post-rock scene. This album followed a period of intense experimentation and lineup finalization, solidifying their musical identity.