"I Don't Know What It Is" is a song written and performed by Canadian-American singer-songwriter Rufus Wainwright. It was the first single from Wainwright's third studio album "Want One" and was released in a slim-line jewel case format on July 26, 2004.
Rufus Wainwright's "I Don't Know What It Is" was released before July 27, 2004.
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