The Roman feast of Saturnalia was a weeklong winter solstice party that overturned social norms, including masters served slaves.

MSN: The crazy ways we mark winter solstice �� shortest day of year

The reverberating, echo-driven chant that opens "Idle Hands" from the first Gutter Twins album, Saturnalia sounds as if it were written to rev up a stadium crowd.

NPR: 'Idle Hands' and the Hammer of the Gods