Songs about efforts lost in vain

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Song
Artist
  1. Boş Yere Can Toğrulca
  2. In Vain Within Temptation
  3. Paper Aeroplane Angus and Julia Stone
  4. Parte de lo Que me Debes Los Planetas
  5. A Crawling Worm in a World of Lies Thy Light
  6. A Pipa do Vovô Silvio Santos