joy division - Love will tear us apart (if you enjoy music biographical movies check out the sundance award winning movie Control about the lead singer Ian Curtis who suffered from epilepsy and committed suicide. the remaining band members went on to form new order.
Johnny Cash cover of the nine inch nails song Hurt. the video is amazingly sad too. especially when put into the context of his wifes passing a few weeks before this song. he passed away shortly thereafter too. cash struggled with depression his whole life it seems and this song seems to express his despair.