As an intricate meditation on a rallying song, it established the concert's political undercurrent.
Even some of this summer's most mindless commercial releases have managed, deliberately or otherwise, to indicate a strong political undercurrent.
"There is a political undercurrent" that makes Western investors nervous, he said, "but clearly they are keen to get Russian oil to the market."
In such an elite setting, Nigerian polo takes on a political undercurrent.
But it is a measure of the political undercurrents in the case that the speculation would even exist.
There are also political undercurrents to the dispute.
It would be foolish to believe that any group of people can interact without a political undercurrent.
Mr. Gao's case and others have prompted speculation about political undercurrents.
And these days, even some Russian television news reports carry a distinctly political undercurrent.
And in further evidence of the political undercurrents at ground zero, the finalists are campaigning like candidates for their designs.