What Is The Most Romantic Song That You Have Ever Listen To?

https://en.wikipedia.org/wiki/Erev_Shel_Shoshanim  
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Evening of roses
Let us go out to the grove
Myrrh, perfumes, and Frankincense
Is the carpet under your feet

Night falls slowly
And a wind of rose blows
Let me whisper a song for you slowly
A song of love

Dawn and the dove coos
Your hair is full of dewdrops
Your lips are as roses unto the morning
I will pick them for myself

Did I miss someone mentioning....

“Hallelujah” written by Leonard Cohen and covered amazingly by Jeff Buckley (among others)

A lot of first time posters on this thread, myself included.  There are a ton of great songs being mentioned.  Here's a few more I didn't see on the list:

1) Into the Mystic-Van Morrison
2) Time After Time-Chet Baker
3) Never Enough-Loren Allred from the movie The Greatest Showman
4) One Fine Day-Natalie Merchant from the movie One Fine Day

Interestingly, two great songs mentioned numerous times "Something" and "Beautiful Tonight" were both inspired by the same woman; Patty Harrison.

I'm going with "Your Song"  Elton John 

I'm a little surprised was only mentioned once.

"Your Song" is a great song by Elton John.  There is another romantic one in his debut album that I like very much:

I Need You to Turn To