"悠閒自得" by 蔣雯虹 was released on July 21, 2023. With 悠閒自得 being less than two minutes long, at 1:08, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. There is only one song in 放鬆腦波鋼琴曲（四）, so we believe that "悠閒自得" is a single. 悠閒自得 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.

悠閒自得 テンポ

The tempo marking of 悠閒自得 by 蔣雯虹 is Adagio (slowly with great expression), since this song has a tempo of 67 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 1/4.

悠閒自得 キー

F♯ Major is the music key of this track. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.