"落ち着いた夜" by 赤ちゃん寝る had its release date on February 21, 2022. This song is about six minutes long, preciously at 6:29, making this song fairly long compared to other songs. There is only one song in 新生児の心地よい睡眠: 赤ちゃんの寝かしつけBGM, 優しい安らぎ音楽, so we believe that "落ち着いた夜" is a single. 落ち着いた夜 is not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of 落ち着いた夜 by 赤ちゃん寝る is Andante (at a walking pace), since this song has a tempo of 82 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
A♭ Major is the music key of this track. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.