Original sentence: The themes in hair metal include: the occult, love, fun-based party songs, fantasy, social themes, and war themes.Unlike the other genres of heavy metal, classic metal was the most lyrically diverse, with a wide variety of lyrical themes being written by the bands without a centralised prerequisite such as hair metal's lyrics about love, sex, girls, and metal, thrash metal's heavy political and war themes, and power metal's high fantasy themed imagery
Edited sentence: The themes range from the occult to love, fun-based party songs to fantasy, social themes to war themes.Unlike other genres of heavy metal, classic metal was lyrically versatile, with a wide variety of lyrical themes being written by the bands.When it comes to lyrical themes, most sub-genres like hair metal (love, sex, girls, metal), thrash metal (politics, war), black metal (satan) or power metal (fantasy) are one-dimensional, classic metal bands write about a lot of topics