Slow Mass is an American indie rock band known for their intricate and emotionally resonant music, blending elements of post-hardcore, punk, and indie rock into a unique sound. The band originated in Chicago and consists of members Dave Collis on guitar and vocals, Mercedes Webb on guitar and vocals, Josh Sparks on drums and Josh Parks on bass. They formed in 2015, and quickly began making waves in the underground music scene with their dynamic live performances and thought-provoking lyrics.

Their discography showcases a penchant for experimentation within their genre, as exemplified in releases such as "Treasure Pains" (2016) and their debut full-length album "On Watch" (2018), which received critical acclaim for its introspective songwriting and innovative soundscapes. Following their impactful full-length, the band continued the momentum with a series of releases titled "Music for Ears", spanning from 2020 to 2021, where they honed their craft further, offering a blend of ambient tracks and reimagined versions of their previous works, cementing their place as a band unafraid to explore and evolve their musical horizons. With "Music for Rest" (2022), Slow Mass invites listeners into a calmer, reflective auditory experience, showcasing their versatility and dedication to creating music that resonates on multiple levels.