I need to find out what this song is

Imogen Heap - Hide & Seek

I found it but anyone able to help me list some remixes of it? ;D
Hide and Seek (Revolve's Remix)
Hide and Seek (Morgan Page Bootleg Remix)
Hide And Seek (Strings Mix)
Hide and Seek (EnMass remix)

just a few im aware of
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and thanks. you know if you any of this remixes are the ones posted in the clip?