Night music

This story actually happened two years ago to a friend of mine, whose name I won't reveal. It might seem unreal to you; I also thought it was a fantasy at first, but I saw the door that had been damaged by a late-night visitor, and the girl's eyes filled with fear.

She woke up in the middle of the night. Her husband wasn't home; he was away on a business trip, and the children were sleeping in another room. She was lying on the bed and couldn't understand why she'd woken up. It was one in the morning. She got up and went to the kitchen. After pouring herself a glass of water, she sat down in a chair, opened the window, and lit a cigarette. She felt cold and sad for no apparent reason. In her sadness, she initially didn't hear the melody coming from the street. But the melody was getting closer and closer—it seemed as if its source would fly in through the open window. The girl knew this melody shouldn't be playing: it was night outside, everyone was asleep, and no one could enter the yard because the house was protected by a large fence, and the gates were locked at night. But this music was so calming, like a child's lullaby, and she longed to lose herself in it. And despite her mind's anxiety, her soul yearned for this melody; it seemed that if she only stepped outside, all her problems and troubles would disappear forever.

The girl stood up, went into the children's room to check on the children, and walked toward the exit, mesmerized by the melody. She pulled a blanket over herself and was about to open the front door, but then decided to look out the window. Approaching the window, she screamed in horror. Her three-year-old son was standing outside, dressed entirely in white clothes, but they were dirty and stained with blood. The child stood and looked out the window, holding a music box in his hands, which was the source of the melody. The girl knew it wasn't her son, as just a moment ago she'd seen him sleeping peacefully in his crib. Fear gripped her. She checked the door was locked, then slid to the floor. She was afraid to move; she couldn't go into her room or the children's bedroom for fear that "it" would see her through the window. The music was getting closer, and the girl could already hear it near the front door. There was a knock on the door. The girl's heart pounded wildly, fear paralyzed her entire body, she couldn't even move... A second, third, fourth knock followed, then the creature began frantically pounding and screaming: "Mommy, open up, I'm frozen, let me in! MOMMY!!!" The voice, initially childish, turned into a rough, male one. It pounded, screamed, and the music continued to play. The girl, realizing at some point she was about to lose her mind, jumped up and ran to the nursery. After confirming that the children were still sound asleep, she sat down on the floor next to her son's crib, wrapped herself in a blanket, and waited, not knowing for what, just waiting...

The pounding and cursing continued for a while, and then everything went silent. The girl realized that if she hadn't looked out the window and gone out into the yard, something irreparable could have happened. She couldn't fall asleep, and the next morning, still terrified, she opened the front door and realized that the events of the night hadn't been a nightmare, as the entire door had been damaged from the outside by violent blows...