Did you know, "Happy Birthday" was once privately owned? We discuss the blurred lines of public domain as folk classic "This Land" by Woody Gutherie remains private property – even though it was set to be public domain this year.

<p>Did you know, "Happy Birthday" was once privately owned? We discuss the blurred lines of public domain as folk classic "This Land" by Woody Gutherie remains private property &ndash; even though it was set to be public domain this year.</p>

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