Are there any songs about the Greek God Hades?

Yes, there are a number of popular and classical songs that mention or are about the Greek God Hades. Here are some examples:

1. "Hadë" by Persephone's Bees

2. "King of the Dead" by In This Moment

3. "Hades" from the operetta "Orpheus in the Underworld" by Jacques Offenbach

4. "Hades" from the Disney movie Hercules

5. "Hades" by Sarah Fimm