“But then the kettle drum comes in,” demanding a sudden power surge of 1-kilowatt.

Then the kettle drum, then the snare, then the bass drum and cymbals, then crackling light against the dark, and the gods grinning and licking their chops in the hills.

This giant (56 meter in diameter) mud brick monument is called Mound I or the Naqqareh Khaneh (" house of the kettle drum "), and the sherds suggest that it is relatively young.