Heartwrenching but stunning in its simplicity. The tragic ending was well-played out without seeming too corny. Loved every word!

There were a few times that I became confused with your paragraphs. Each paragraph (no matter how small) should have only one, single topic. For instance, one paragraph should be about Nat and what she's saying, doing, thinking, etc. Then the next one is about Oliver. However, there were a few instances when you included both into one paragraph, like this: '“I don’t know if what I feel is love,” he said. “But I know that… you’ve become… important.” He bowed his head, clenching his fists. I stared at him, clutching the hem of my skirt. I swallowed hard.' This should be divided because there are two different topics. I understand that this is sometimes hard to define with a story that is in a first-person perspective, but sometimes the division is clear.
One more thing : In this sentence, 'I’d been taking piano for some time...' I believe you should change just 'piano' to 'piano classes' or something of the sort. I believe that you should assume your reader to be completely ignorant of common slang, and should never abbreviate or use nicknames, because the reader may have no idea that you had meant piano CLASS. You see what I mean?
Now, let me say that I tried real hard to nit-pick this story all to bits, as I do with every story that I read, but those two things were my only complaints. I found no grammatical or spelling errors. I felt a very close relationship to both characters, so good job, because that's no always easy to do when the story is being told in first-person. I actually felt my heart racing at the end, and I was just hoping that the ambulances were not there for Oliver although I knew that they were. I was sad. I was actually sad. Kudos, my friend. Also, I like your writing style. It's quite mature. I think you've been at this for a while.

Ahh! I hate Nat so much although she reacted how most of us probably would, but why couldn't she have been nicer to him? So sad but it was an amazing piece of writing all the same.

I feel like crying for the first time in ages...Sorrowful, yet joyful tears at the same time.

That was an absolute masterpiece! ^_^ I was instantaneously hooked!

My jaw actually dropped, this is beautiful, I especially liked the way they left notes to each other.

Oh my God..

How did you do it? How do you enchant your readers?

Throughout the whole of the second part, I was stamping the floor, wishing that it would not end a sad ending. But then again, it was a subway...

I guess, music isn't the only medium that can enthrall people. Writing can do it too. You've shown me that.. =]

This is awesome! I really loved reading this! I'm speechless..

I'm sorry, a review should be more than just praise, but I don't think I can give more.. I only noticed one thing..

"I remember it quite clearly—we could hear the train coming, screeching though the tunnels"

Shouldn't it be screeching 'through' the tunnels?

Ah, it doesn't matter though, it was still amazing. Gotta read more... XD

That was very sweet..and sad. Beautiful. Natalie was very selfish indeed. If she would have just faced her fear and loved him..then he wouldn't have been gone. Oliver was a very well-developed and interesting character. I cried for him. I despised her. You did a marvelous job.

I really liked the concept of this one, and how it panned out. (It's sort of reminiscent of tawnyfan's "Toilet Humour," which is on a lighter note, but that's neither here nor there.) But Natalie was like a discordant chord: her selfishness is way too contrived.

It's not convincing if she just keeps telling the reader: "Nice/kind/talented thing I do ... but it's me being self-centered really ... here's the real reason, it's for my benefit." For example, when she thinks of forcing her parents to drive her home if her train's not on time, I was left wondering what her reason for taking the train in the first place was? Her bad points would have come off better if you SHOWED it instead of SAID it. For instance, a really believable example would be when she keeps writing back to "E Flat Minor" in the hope that he will write her more music.

Also, I don't think Natalie can call herself selfish for studying hard because good grades will please her, or playing the piano because beautiful music makes her feel better. (I make an effort at the books for myself, too, and but that doesn't make me as selfish as Nat claims to be.) If she did either of those things to show people up or show off, then yes, selfish. Her using E Flat Minor's music to make the hectic bad day go away isn't a bad thing either; lots of people de-stress by playing music. Hell, there are lots of worse ways to de-stress, and music is meant to be enjoyed, not put on a pedestal and forgotten, you know?

But I think she just comes across as more of a spoilt child than anything else.

The way she tackled her guidance counselor made me laugh; very, VERY apt way to put someone in a tight spot.

Her reaction to E Flat Minor was brilliant, however; it ties in nicely with her image of a selfish person, the utterly prosaic, nearly philistine reaction to how he hears the music with no consideration whatsoever for sensitivity, and especially her impatient frustration.

I liked Part Two a lot more; it put both of them in a believable framework, and Natalie acted a lot more than she talked. The ending was contrived-movie-style, but then again Oliver couldn't have existed any longer in the real world. The "I don't want you to be afraid anymore" really surprised me; I was thinking the worst, scorned!lover scenario, but it's ironic how he would sacrifice so much so selflessly for the most self-absorbed person he'd probably ever met. The last line tied everything up very neatly.

Wow... It was... a little piece of brilliance. I just... The oddity of it was scary, and the complete difference of the characters, how unusual the relationship was, just made me cry. Brilliance. The story was sheer brilliance. Really.
Love, Dani

Oh wow.

Wonderful story.

That's...amazing. I love this story, even though it is exeedingly depressing...

I have fallen in love with this story...

So beautiful.
I was near tears at the end.
Keep writing! You're an inspiration.