ColdplayalbumA Rush Of Blood To The HeadWarning Sign “Warning Sign” is a A Rush Of Blood To The Head track, released in 2002 by Coldplay. favorite Album Tracks PolitikIn My Place play_circle God Put A Smile Upon Your Face play_circle The Scientist play_circle Clocks play_circle DaylightGreen EyesWarning SignA WhisperA Rush Of Blood To The Head