Favourite song/music to workout to?

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Here are my favourite songs to keep me moving, what are yours?

N.E.R.D - she wants to move
Evanessence - Bring me to life
Kelis - Caught out there
Bjork - Army of me
JT - SexyBack
No Doubt - Just a girl
M.I.A - Bad girls

I could go on... but my list needs updating,, recommends pls :)