'''[[YearZero Trope:]]''' A specific event in the continuity is the start of an arbitrary calendar.

'''[[{{Literature/YearZero}} Literature:]]''' Humanity's music is rediscovered, and an alien race threatens to destroy the entire Earth after everyone learned the hard way that DigitalPiracyIsEvil.

'''[[{{Music/YearZero}} Music:]]''' Oppressive government controls the populace with drugs. There are some unfortunate side-effects.