Heavy metal subgenres emerged from the broader heavy metal genre in the late 1960s and early 1970s, evolving through diverse musical influences and cultural movements. Key subgenres such as thrash metal, death metal, black metal, doom metal, and power metal each possess unique characteristics and themes, catering to a wide range of audiences within the heavy metal community. These distinctions in sound and lyrical content contribute to the rich tapestry of heavy metal music.