未明 Undefined by 澪Rei Song Details

澪Rei's ' "未明 Undefined" was released on its scheduled release date, February 14, 2026. The duration of This song is about 3 minutes long, at 3:28. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 未明 Undefined, so we believe that this song is a single. Based on our statistics, 未明 Undefined's popularity is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

BPM and Tempo

The tempo marking of 未明 Undefined by 澪Rei is Allegro (fast, quick, and bright), since this song has a tempo of 125 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

Music Key

F Major is the music key of this track. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.

Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!

Popularity
Loudness
-4.513 dB
Acousticness
8%
Danceability
54%
Energy
90%
Instrumentalness
0%
Liveness
14%
Loudness
92%
Speechiness
6%
Valence
70%

Recommendations

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ISRC
TWU712602033
Label
L-M Records/RCA Records