"Then, let's get started."

Yuu started up the computer terminal screen.

This is the beginning of the work of reproducing the songs of the previous life.

This terminal is wirelessly connected to the computer itself. Of course, the processing speed and processing power exceeds Yuu's previous life. To begin with, there is an overwhelming difference in the amount of information that is normally processed even in ordinary households. We simply try to make the process as inconspicuous as possible in daily life.

Furthermore, there are certain restrictions on the internet information that can be accessed, and specific information about the Previous world is basically not disclosed to the general public. The same goes for music information.

However, written literature is not prohibited, so you can find out its contents by researching it yourself. Access restrictions are only for the database.

In this world, information is not monopolized by the state, but out of consideration for minors, and information from the previous world is avoided simply at the request of citizens, so non-disclosure measures are taken on the internet. It's just that.

This is because it is considered necessary to reflect on God's punishment, but completely sealing off the cause of God's punishment is considered a challenge to God and is dangerous.

Yuu started the music software on the device that starts up immediately.

Yuu has already disabled all music AI functions on his device, and has set all software to manual operation.

Yuu, who had always used a computer in his previous life, did not acquire any knowledge of programming, but he was proficient in operating and operating it. Therefore, he was able to use the computers of this world, which had different characteristics, without much effort. In his previous life, computers were almost the only tool for information processing and gathering, so it was only natural.

He asked Reira to teach him the basic structure and operations, and then he simply sang the songs from mhis previous life into a microphone, and transcribed them into single-note scores using music score conversion software. The scores of hundreds of songs have already been converted into data.

These sheet music data are organized into folders and locked to prevent unauthorized access. This is a preventive measure to prevent AI from starting up and rewriting data without his knowledge.

As for the song lyrics themselves, he doesn't convert them into data because he remembers all the lyrics. After the song is completed, he converts the lyrics into the languages of this world and adjust the tone and melody. Until then, it will be a hindrance to reproduction.

For those who have no knowledge of performance, even if they listen to music, they will not be able to understand the composition of the score. You can only follow the melody, but you don't know what instruments are being used or what kind of score each one is. Even if you follow the melody, you won't be able to understand the complex chords.

In other words, the only things that an amateur can clearly see are the pitch, strength, and tempo of the sound.

The original song is restored from the songs connected by these single notes.

First, Yuu decided to choose a song that he knew well and recreate the accompaniment as best he could remember.

He selects instruments that are likely to be used, and while tracing back his memory, he recreates the performance of each instrument along with the song.

He remembers quite a bit, but he's unable to reproduce the details because he's always influenced by the sounds of the instruments that stand out at the time.

Electronic sounds are often used, and it takes time to identify the sound.

Moreover, he noticed a serious problem.

He doesn't understand the bass sound.

In his previous life, Yuu was listening to music on his laptop. Yuu, whose entire life was covered by financial aid, had acquired a laptop computer, an essential item for him as a second-hand item donated through a nursing home. And because the only sensory information coming from outside his body was in his right ear, he couldn't use earphones. It was dangerous to use earphones because he couldn't hear the sounds around him.

In doing so, he would be playing music through his laptop's speakers, but he kept the volume low so as not to disturb the neighbors and for safety reasons so that he would be able to notice subtle changes in the sounds of daily life in the room.

That's why he listened to it with the bass cut down drastically.

He could hear it fairly well in songs that emphasized the bass, but when he tried to reproduce normal songs, he noticed that the bass was missing a lot. In short, it sounds like a "scandy" song. Unlike his previous life, his have a high-performance sound source reproduction system, so the lack of bass is noticeable.

"Hmm, that's a problem. Popular songs often use typical chords, so it's easy to reproduce to some extent, but I hardly ever hear the bass sound. It still works as a song, so I'll just ignore it. It's fine, but I feel like I would feel bad for the person who made the song."

Yuu was thinking about it for a while, but he decided to try using music from this world as a reference.

And one after another he tries playing different songs.

However, all the songs just sound strange.

"This isn't helpful. It's not like I can just play the bass sound."

I often groaned.

"That's right, only songs from the Current world can be played now. There may be some hints in the songs from the Previous world."

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Then he headed to Reira.

"Reira, is it possible for you to remove the access restrictions so that I can access the music from the Previous world?"

"Music from the Previous world? Yeah, I'll give it a listen."

Reira contacted Rokushou and received permission after a while. Rokushou already knows about Yuu's reenactment activities from Reira's advance report.

"Yuu, I got your permission. By the way, all access restrictions on information from the Previous world have been lifted, so Yuu can access all information. However, don't reveal the contents to others needlessly."

"Thank you, Reira. The work will go faster. I understand the disclosure restrictions."

"Good luck, but don't get too entrenched."

"Yeah, I understand."

He tries accessing the music from the Previous world right away.

"That's a pretty good song. Unlike the music in the Current world, it's decent. It's definitely a different song from my previous life, but it's a good song."

When he investigated, he discovered that the music in the Previous world was written, composed, and arranged by humans on their own, not by AI.

"Maybe there's something wrong with the AI after all. Well, let's take a look at the music from the Previous world."

There were hit charts just like in his previous life. He forgot about reenactment for a while and listened to the hit songs from the Previous world.

"Ah, the songs of this era are created and sung by cloned humans. If I think about it simply, I could say that they are humans with hundreds of years of experience."

Music created by humanity in the era of ability supremacy. Although it may be called inhuman, the level of perfection of the music was high. Since the Current world's songs have not caught up with the standards of the Previous world's songs, it is clear that the Current world's composition AI does not refer to the Previous world's songs.

Still, it was strange that Reira and the others didn't think the songs from the Present world were strange.

“Ah, now that I think about it, if humans were creating songs from this era, there might be a composition textbook.”

With that in mind, he researched it and discovered that music schools did indeed exist in the Previous world, and that there were various music education curriculums.

"I did it! If I use this, I'll be able to understand music. From now on, let's add some music studies."

After getting a music textbook and curriculum, he decided to stop recreating songs and study music.

"The results of the investigation into the military facility he mentioned earlier have come out."

“It took quite a while.”

“Ah, I had the Ministry of Foreign Affairs go back to the Previous world and conduct a wide-ranging investigation into military facility information on that continent. So, both of them were large-scale combined bases for ground forces and air forces in the Previous world. However, 400 years ago. Previously, both were completely abandoned. They are not even on the map now. Too much time has passed, and it has been concluded that even if they are rebuilt, it will be difficult to use the weapons. Therefore, now So I can say it's not a threat at all."

Rokushou answers Reira.

"I see. It matches the situation in any country."

"Hmm. Do you understand why he specifically designated these bases?"

“No, this topic only came up at that time, so I still don’t know anything about it.”

Rokushou crossed her arms and thought.

"It's no wonder that he was able to determine the areas of population decline the first time he looked at a world map. It's easy to understand to some extent by looking at the topography. He also pointed out the deserts in the Southern Hemisphere and the Nangara region. If he understands the causes of weather, he may be able to make a judgment.Forests are just as he has seen.If he understand the mechanisms behind earthquakes, he can probably guess them.

But military facilities shouldn't be guessable. It is impossible to pinpoint a location without a concrete understanding of political relations. A genius might be able to come up with the natural sciences, but no one can come up with the social sciences without knowledge or experience.

There was silence, but Reira remained calm. Rokushou stopped thinking when she saw Reira like that.

"Well, it's not productive to think about things we don't understand without information. There are so many things we doesn't understand that he's become paralyzed lately."

"Hehe. It seems like the advisor has finally gotten used to Yuu."

"...You say that, you can afford it."

Rokushou looks at Reira with a sarcastically surprised look on her face.

"It's not something I can afford, it's just being kind, so I just take it for granted."

"I can't reach that far yet."

"There is no need for male character education, so I just treat Yuu with warm eyes every day.Yuu is surprisingly intelligent, but other than that, he is just a cute boy.Since I started living with Yuu, A year has passed and he has found some leeway."

"I'm so jealous of that."

"Yuu was worried because his advisor hasn't been feeling well lately."

“Her Majesty and you both have so much leeway that I sometimes feel like a bit of an idiot.”

“My advisor thinks about difficult things, so I can live with Yuu in a sheltered environment with peace of mind. I am grateful to you.”

"Huh. You're totally fine."

Hearing the answer, unsure whether it was natural or short-circuited, Rokushou looked half resigned.

“I feel like I’m going to be the only one busy again, performing new songs, requesting access privileges from the Previous world, etc.”

"The song was a very good song.Unlike the song after birth, it was completed properly.So I'm sure the song after birth will be a wonderful song once it's completed.Aren't you looking forward to it?''

"I'm looking forward to it, but I'm worried that there will be more research to do before I can enjoy it."

“I don’t think Yuu is thinking about anything difficult.”

"From my standpoint, I cannot make such assertions without evidence."

“The Sakisaka family was also happy.”

"This is the first time that an outsider has heard his song. We have to investigate its influence, so don't get busy."

"It's tough on the staff."

"At Her Majesty's direction, I am increasing the number of personnel by three times. We will do something."

Rokushou's eyes become a little far away.

“We also need to investigate the regression of his memory when he performed a song of thanks to you.”

"That was a wonderful experience. I was able to feel a lot of Yuu's feelings, and I was happy."

“Her Majesty had a strong interest in that.”

"I see. I feel like the other investigation matters are more important."

"Her Majesty has a point of view that we would never have thought of. I'm sure there's something going on."

Rokushuo takes a deep breath. Then Reira continued speaking,

"By the way"

"What! Is there something else?"

"Yuu said earlier that when he listened to the song from the Previous world with the permission to access the information from the Previous world that the advisor had given him, he said that it was a good song, different from the songs in the Current world.I could tell the difference. I didn’t.”

Rokushou's eyes widened at Reira's explosive statement.