"The Comet Song" is a song by Icelandic artist Björk, written by herself and long-time friend and collaborator Sjón as the title theme of the 2010 movie Moomins and the Comet Chase. The song is released as a charity single and all the benefits are donated to the victims of the 2010 Pakistan floods. Björk had previously declared to be a big fan of Moomins, and had worn clothes featuring characters from the series on several occasions.