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Here, here!

It's hear, hear from rowdy parliamentary question times & debates. "Hear, hear" as in "listen to what they are saying, you lot" :-)

Normally I despise pedants, but that was really informative. Thanks!

And the phrase commonly to thought to be "hear ye, hear ye, hear ye" is actually "Oyez, oyez, oyez": http://en.wikipedia.org/wiki/Oyez