Here are the lyrics to "For Whom the Bell Tolls" by Metallica referring to a time for revolution:
(Verse 1)
The sand is hot, the air is thick
The vultures wait to pick off the weak
It's a time of drought and a time of dust
The crops are dead, the farmers bust
(Verse 2)
With strength enough to stand alone,
To face the truth and right the wrongs.
These voices cry out for justice,
But the hour of change is not yet here.
(Chorus)
Time is slipping away,
But we're still waiting for a sign.
The hour is growing late,
But the time for a revolution is not yet here.
(Bridge)
The seeds are sown, the roots are deep
The soil is fertile, the harvest is near
It's a time of change and a time of birth
A new world's coming, a new day on Earth