りうら's ' "一等星" was released on its scheduled release date, January 10, 2024. With this song being around four minutes long, at 4:25, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The track order of this song in いれいす's "IRREGULAR BULLET (A盤)" album is number 5 out of 21. On top of that, Japan appears to be the country where this track was created. The popularity of 一等星 is currently not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

一等星 テンポ

We consider the tempo marking of 一等星 by りうら to be Vivace (lively and fast) because the track has a tempo of 170 テンポ, a half-time of 85テンポ, and a double-time of 340 テンポ. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.

一等星 キー

E Major is the music key of this track. This also means that this song has a camelot key of 12B. So, the perfect camelot match for 12B would be either 12B or 1A. While, 1B can give you a low energy boost. For moderate energy boost, you would use 9B and a high energy boost can either be 2B or 7B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 12A or 11B will give you a low energy drop, 3B would be a moderate one, and 10B or 5B would be a high energy drop. Lastly, 9A allows you to change the mood.