The document is a song analysis of the song "Tonight I Let You Go" by an unknown artist. It summarizes:
1) The song suggests the singer has gone through a broken heart after being cheated on by a lover who was incapable of truly loving him.
2) He regrets deeply loving her and wants to be left alone to think about and process the pain, running away from his problems.
3) By the end, he realizes he is better off leaving the relationship behind and moving on from the heartbreak she caused.