u2 made a song called sunday bloody sunday
during a version of sunday bloody sunday performed by the band at the 2009 mtv europe music awards jayz improvised lyrics over the breakdown in the song before including a snippet of get up stand up
  whats the glory in taking a man from his bed and gunning him down in front of his wife and his children wheres the glory in that wheres the glory in bombing a remembrance day parade of oldage pensioners their medals taken out and polished up for the day wheres the glory in that to leave them dying or crippled for life or dead under the rubble of a revolution that the majority of the people in my country dont want