Hey by 9inekai Song Details

9inekai's ' "Hey" was released on its scheduled release date, August 29, 2025. Hey is 2 minutes and 28 seconds long and may contain bad words that may be unsuitable for children. Because this song is the only song in Hey and no other songs are present in the album, we classify this track as a single. In terms of popularity, Hey is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

BPM and Tempo

We consider the tempo marking of Hey by 9inekai to be Moderato (at a moderate speed) because the track has a tempo of 115 BPM, a half-time of 58BPM, and a double-time of 230 BPM. Based on that, the speed of the song's tempo is moderate. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Music Key

E♭ Minor is the music key of this track. Because this track belongs in the E♭ Minor key, the camelot key is 2A. So, the perfect camelot match for 2A would be either 2A or 1B. While, a low energy boost can consist of either 2B or 3A. For moderate energy boost, you would use 11A and a high energy boost can either be 4A or 9A. However, if you are looking for a low energy drop, finding a song with a camelot key of 1A would be a great choice. Where 5A would give you a moderate drop, and 12A or 7A would be a high energy drop. Lastly, 5B allows you to change the mood.

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