"良質な睡眠" by 周波数の波動 had its release date on April 19, 2025. This song is about six minutes long, preciously at 5:42, making this song fairly long compared to other songs. There is only one song in 癒し528Hz睡眠音楽：眠れる瞑想BGM・睡眠導入音楽・疲れを癒す, so we believe that "良質な睡眠" is a single. 良質な睡眠 is unknown 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 良質な睡眠 by 周波数の波動 is Adagio (slowly with great expression), since this song has a tempo of 68 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 3/4.
C Major is the music key of this track. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.
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