I'm a bold person, and I never believe in superstitious theories such as gods and ghosts, but I saw such a report in Science Weekly that day, about an alternative theory of another dimensional space, saying that the world has another space in addition to the space we live in, and sometimes because the frequency of brain waves is similar to some frequencies in another space, I see some illusions that no longer exist.

At that time, I was still a student in the music department of the normal school, I liked my major very much, but I was always dissatisfied with the piano, every time I took the exam, this subject was not very ideal, I don't know if it was because of my poor talent or lack of practice, there was no so-called passion and proper feeling. Therefore, in addition to learning the knowledge of the class during the day, I used the noon and evening time to go to the piano room alone to practice, and a friend once said that there was often abnormal movement there, and also said that I had seen white shadows floating around, and I only regarded those words as nonsense.

That night, after practicing the dance, I quietly took the sheet music and went to the piano room to practice. Practice the same piece over and over again, capturing the feeling.

"You're not in the right F key, your D key is too high, and you're lacking in excessive slowness."

I stopped, who? I look around. Strange, no one, those legends of gods and ghosts flashed in my head, could it really be such a thing?

"You don't have practice, you don't grasp the transition between each key."

He showed up. In the corner of the window, a thin face, a blue-gray cotton shirt, a pair of blue trousers, lips and chin with sadness, looked twenty-six or seventeen years old.

"Who are you? Why are you still here so late? ”

"My name is Guo Tao, a student of the Music Department of Class of '92, this is my alma mater, and I work here. I love coming here at night and listening to the wonderful sounds of the piano. What about you? Isn't it so late? ”

"I'm from level 99, I should be your senior sister, my name is Zheng Min, and I don't want to practice so late, but my piano is really not good, my exam results are not ideal, and I am afraid that after practicing too much, it will not be effective, and I will be laughed at by my classmates, so I practice quietly at night."

"You say you teach at the school? How come I haven't seen you? I looked at him.

"The school is so big, does everyone want you to know it? I've been watching you for a long time, and I've practiced repeatedly, and I'm also your senior, so I'll help you. ”

He walked up to the piano and stroked the body with his hand.

"I haven't played it for a long time, I don't know if it's unfamiliar." He muttered to himself to the piano.

I stood up and sat him down in front of the piano, and watched him run his hands over the keys, the key was very light, slowly rising, and then turning back to become soft and smooth, I had not heard the tune, but I felt that the song was sad and sad, and the meaning of parting was overshadowed. I watched the keys tremble in his hands and seemed to be crying again. He plays with emotion, fingering is also skillful, and it seems that his expression has melted into the music, which is a heartfelt and passionate rendering.

At the end of the song, I began to worship him.

"Amazing, worthy of being a senior. In the future, I will ask the seniors for more guidance. ”

I cried out excitedly, unaware of a trace of sadness slipping across his face. He told me that he only came to see me practice at night and had other things to do during the day. I agreed, and it was a blessing to find such a free mentor.

After that, I went to the piano room every night after the practice, and every time I showed up, he showed up quietly, he explained the sheet music knowledge in detail, and did demonstration exercises, and after the first week I learned the unknown piece he played. I also learned a lot about music theory. But strangely, he always kept his distance from me, wouldn't let me get close to him, and felt like an introverted big boy, shy to the point of being a bit of a man and a woman. I laughed at him, but he just smiled.

That day, I was really curious about him, and asked some classmates and teachers that there was no one named Guo Tao in the school, and I didn't feel a little suspicious. I still went to the piano room that night, and I had been there for a few minutes before he appeared, and I was going to ask him what he was doing and who he was, but tonight he looked tired and depressed. He told me to practice on my own, and I asked him what was wrong. He shook his head and said it was okay, leave him alone.

I practiced on my own for a while, but I couldn't concentrate, so I asked him what was wrong, and it was a long time before he told me that his girlfriend was married. It turned out to be a broken love. I persuaded him that there would be better girls in the future, and he shook his head and said I wouldn't understand.

I talked about my views on love as I watched him walk up to the piano and play alone. Then he told me to go back first to absorb foreign capital, saying that he wanted to stay alone tonight. I left the piano room with staccato music behind me. Does he cry?

When I came back, I kept thinking about it, what would happen to him, right? It feels so strange that he always appears alone at night, and he can play a good piano, and I didn't even know that he was a good guy and a bad guy and had already learned from him.

The next day, I was still thinking about him sadly, hoping that he would show up early in the evening. I practiced for a while in the evening and he never showed up. What the hell happened to him? You can't think about it that much, do you? For a week I waited for him to show up, but he didn't come until that night.

Your piano is messy, you haven't seen you for a week, and you forgot what you learned?

He appeared, still in the same gray shirt and blue pants, with a sad face.

"You ran there this week, I thought you went looking for a short meeting, are you okay?"

"Fool, I've already looked for it. In fact, I have long thought that a person may only be able to see many things that he could not see clearly in life after death, and now I don't have to have love and hate or joys and sorrows. ”

His words were strange, and I didn't think about them for a moment.

"When people die, there is nothing, of course those things are useless, but we are still alive, we can feel all kinds of life, happy, sad, to love, to hate, that is the interesting life, or simply become a monk, the four are empty, and wait for death." I seem to be right.

"I was so embarrassed that day, I made a fool of myself." He said to me with a smile.

"It's nothing, it's normal, if you want to change me, I'm crying a mess."

"Min, actually, I shouldn't lie to you, I'm not here to serve. Still want to know why I don't want you near me? ”

"Really? I just said that when I asked people, no one knew, too! Why don't you want me near you? I thought it was strange, too, and thought you were embarrassed. ”

"Let me ask you a question, do you believe that there is a soul after death?"

"Half-believed, why do you ask me this?" I had a vague feeling that something was wrong with him today.

His eyes dimmed, "I've thought about it for a long time and don't know whether to say it or not, in fact, I don't exist anymore, I'm not a physical object, that is, what people call ghosts or souls, the soul doesn't need to exist in the human space after finding its existence space, it will survive in another space." He didn't notice my surprise.

"You, are you really? You're not? Have you already? ”

"I really don't exist anymore, I'm here because this is my alma mater, it's a place of good memories for me, here I met her, and here I lost her, for many years, but I didn't expect it to be my soul that came back here. But I'm glad to meet you here, I don't want to scare you, it's just that you practiced there repeatedly that day, playing different tunes, so I couldn't help but speak, but I didn't expect you to see me. ”

"You are a good person, I should not be afraid of you, even if you are not human, but my piano has been improved with your help, I should thank you." I was a little nervous, after all, it was the first time I had faced such a thing, for me, a person who doesn't believe in ghosts and gods.

I was reminded of the report that if the frequency of human brain waves is the same or similar to the frequency of that kind of thing, it can produce illusions about them. It's like a person in the ruins of a building who saw a battle of the Iron Horse Binghe back then. And the reason why I see him now is probably because of this.

"Really? Then I'll be relieved, Min, I'm leaving. I've been thinking about it for a long time and looking for a long time, I'm going to another space, I'm afraid that there will be no good situation like the current one where you can see my existence in the future, and there are very few opportunities like that. ”

"You're leaving? Where to go? Is it bad in this space? ”

"It's too cramped for me, it's too little information, and it's not a long-term solution to stay here. I can't stay too long. I'm sorry. ”

"Can I touch you, then? I mean, I want to touch your face. "I was a little scared, but more than that, I couldn't give up.

"Of course, you already know now, I didn't let you get close because I was afraid that you would find out that I didn't exist and be afraid of me, I really want to talk to someone, I can find my former self in front of you."

I stretched out my hand, trembling slightly, feeling like I was going to face something amazing in my lifetime. It's like I'm nostalgic for something.

I touched his face, but the sensation told me that I didn't touch anything, that I was touching the air. I looked at him in amazement. He smiled awkwardly, "Don't bother, I don't exist, your hallucinations only exist in the air." ”

He's a real soul! Non-existent entities?! He walked over to the piano and stroked it. I suddenly felt a little sympathy for him, he was actually a living creature, at least he really existed in his lifetime, flesh and blood.

"Tell you tonight that I hope not to increase your fears, just tell you the truth, and after tonight I won't be in this space."

I hurriedly tried to grab his hand, but I didn't catch anything.

"Can I see you again? In another space? ”

"If we can still have fate, we should be able to. I don't want to disturb your peaceful life anymore, though, you know? He touched my head.

"Give me a good meal, and play the last song before I go, okay?"

I nodded, sat down at the piano and began to play with my heart, and when the song ended, there was silence all around, and I was the only one who existed, and he was gone.

He was gone, and my life was back to the way it was, and when I occasionally played this tune, I found that my heart was drawn to another dimension, and he smiled at me as before. Slow tones, sadness, sorrow, lingering.