Funeral Doom is a subgenre of heavy metal music characterized by its slow tempos, deep growls, and atmospheric soundscapes. It often incorporates elements of doom metal and death metal, creating a heavy, melancholic experience. The lyrics typically explore themes of death, despair, and existential dread, contributing to the genre's somber tone. The music features long song structures, with extended instrumental sections that build a sense of tension and release. Bands like Sunn O} and Evoken are notable examples of Funeral Doom, often using minimalistic riffs and haunting melodies to evoke a feeling of hopelessness and reflection.