Revocation are an American Technical metal band formed in Boston in 2000. The band features founder member, singer and guitarist, David Davidson, plus Dan Gargiulo - guitar/ backing vocals , Brett Bamberger - bass/ backing vocals and Ash Pearson - drums.
They released their debut album, "Empire of the Obscene" in 2008, followed by: "Existence Is Futile" (2009), "Chaos of Forms" (2011), "Revocation" (2013), "Deathless" (2014), "Great Is Our Sin" (2016), plus 2018's: "The Outer Ones".