Deafheaven is an American post-metal band formed in 2010. Originally based in San Francisco, the group began as a two-piece with singer George Clarke and guitarist Kerry McCoy, who recorded and self-released a demo album together. Following its release, Deafheaven recruited three new members and began to tour. Before the end of 2010, the band signed to Deathwish Inc. and later released their debut album Roads to Judah, in April 2011. They popularized a unique style blending black metal, shoegaze, and post-rock, among other influences, later called "blackgaze" by reviewers.

Post-metal is a music genre rooted in heavy metal but exploring approaches beyond metal conventions while being related to and similar to post-rock. It emerged in the 1990s with bands such as Neurosis and Godflesh, who transformed metal texture through experimental composition. In a way similar to the predecessor genres post-rock and post-hardcore, post-metal offsets the darkness and intensity of extreme metal with an emphasis on atmosphere, emotion, and even "revelation", developing an expansive but introspective sound variously imbued with elements of ambient, noise, psychedelic, progressive, and classical music, and often shoegaze and art rock. Songs are typically long, with loose and layered structures that discard the verse–chorus form in favor of crescendos and repeating themes. The sound centres on guitars and drums, while any vocals are often but not always screamed or growled and resemble an additional instrument.