September Mourning is a heavy metal band, which incorporates a transmedia dark culture project created by Emily Lazar and Marc Silvestri. The band was formed by frontwoman, vocalist, and screamer, Emily Lazar in New York in 2009. The concept narrative created by Lazar and incorporated in the band and their performances, centers around the fictional story of a human-grim reaper hybrid named September, as she navigates the worlds of the living and the dead.