actually, in part 2 of the suite, the humans, who have accepted that civilization is coming to an end in the overture, send a group of astronauts out to repopulate a new planet. this song is the people back on earth telling the astronauts that they are their last chance.
part 3, then, is about the astronauts' realization that the humans will simply do the same things over again on the new planet, and so they urge the people to change their ways instead of simply going and wrecking some new planet.
almost.
actually, in part 2 of the suite, the humans, who have accepted that civilization is coming to an end in the overture, send a group of astronauts out to repopulate a new planet. this song is the people back on earth telling the astronauts that they are their last chance.
part 3, then, is about the astronauts' realization that the humans will simply do the same things over again on the new planet, and so they urge the people to change their ways instead of simply going and wrecking some new planet.