Melodic Death Metal is a subgenre of heavy metal that combines elements of death metal with melodic components. It typically features aggressive guitar riffs, growled vocals, and intricate solos, while also incorporating harmonies and melodies that create a more melodic sound. This genre often explores themes of darkness, nature, and existentialism. Originating in the late 1980s and early 1990s, Melodic Death Metal gained popularity through bands like At the Gates, In Flames, and Dark Tranquillity. These bands helped define the sound, blending harsh and melodic elements to create a unique listening experience. The genre continues to evolve, influencing many modern metal bands.