What are some of the most beautiful songs in history?

As the title says, what are some of the most poignant, beautiful (whether heartbreaking or inspirational) songs ever?

A few I'd add to whatever list, but please suggest as many as you like:

• Con Te Partiro - Andrea Bocelli • Otis/Carl - Spanish Love Songs • The Night We Met - Lord Huron • Accident Prone - Jawbreaker • Bleeder - Hot Water Music • Brothers in Arms - Dire Straits