KAYEF made "HAPPY BIRTHDAY" available on February 16, 2024. The duration of HAPPY BIRTHDAY is about two minutes long, specifically at 2:19. This song does not appear to have any foul language. HAPPY BIRTHDAY's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in HAPPY BIRTHDAY and no other songs are present in the album, we classify this track as a single. On top of that, Switzerland appears to be the country where this track was created. The popularity of HAPPY BIRTHDAY is currently unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

HAPPY BIRTHDAY テンポ

We consider the tempo marking of HAPPY BIRTHDAY by KAYEF to be Vivace (lively and fast) because the track has a tempo of 160 テンポ, a half-time of 80テンポ, and a double-time of 320 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, running, can go well with this song. The time signature for this track is 4/4.

HAPPY BIRTHDAY キー

This song is in the music key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.