NATSUKASHII's ' "Empty Set" was released on its scheduled release date, April 27, 2025. With this song being around four minutes long, at 4:18, 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 song is number 2 out of 5 in AXIOM, I by NATSUKASHII. The popularity of Empty Set is currently unknown right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
The tempo marking of Empty Set by NATSUKASHII is Vivace (lively and fast), since this song has a tempo of 173 BPM. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.
This song has a musical key of D♭ Major. This also means that this song has a camelot key of 3B. So, the perfect camelot match for 3B would be either 3B or 4A. While, 4B can give you a low energy boost. For moderate energy boost, you would use 12B and a high energy boost can either be 5B or 10B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 3A or 2B will give you a low energy drop, 6B would be a moderate one, and 1B or 8B would be a high energy drop. Lastly, 12A allows you to change the mood.
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| Track | Artist | Key | Energy | Camelot | BPM | ||
|---|---|---|---|---|---|---|---|
| 月光 | 天八 | E♭ Minor | 5 | 2A | 155 BPM | ||
| 光へ | 梅の花, 自殺少女たち | F Minor | 5 | 4A | 77 BPM | ||
| 独りぼっち | 赤羽美風 | F Minor | 5 | 4A | 170 BPM | ||
| 引籠りブルース | NATSUKASHII | B♭ Minor | 7 | 3A | 200 BPM | ||
| Ballerina | narumina | D Major | 7 | 10B | 150 BPM | ||
| 星空のワクワク | NATSUKASHII | C Minor | 3 | 5A | 158 BPM | ||
| Own Way | Bank of Innovation, Inc., SERRA | G Major | 7 | 9B | 106 BPM | ||
| こえが消えていく部屋 | Nekonoma | B♭ Major | 2 | 6B | 128 BPM | ||
| Before anyone else | HACHI | E♭ Minor | 5 | 2A | 155 BPM | ||
| 夜に咲く花 Flowers Blooming at Night | White Girl | A Minor | 5 | 8A | 91 BPM | ||
| SCARS | SHION | B Minor | 10 | 10A | 140 BPM | ||
| 映画の魔法 | BarBar | D Major | 4 | 10B | 171 BPM | ||
| 夢魔 (Nightmare Spirit) | Shojo no Yurei | E♭ Major | 7 | 5B | 140 BPM | ||
| Labyrinth | Hotaru | E♭ Minor | 5 | 2A | 155 BPM | ||
| Crystal Path | Lir | E♭ Minor | 8 | 2A | 131 BPM | ||
| 品行崩壊 | FantasticYouth | E Minor | 8 | 9A | 136 BPM | ||
| Fine Day | 平葵 | D♭ Major | 5 | 3B | 180 BPM | ||
| 透明な檻 | narunaru | E♭ Minor | 3 | 2A | 159 BPM | ||
| Wish | narumina | C Minor | 6 | 5A | 125 BPM | ||
| Hold You | AIJOU | A Major | 9 | 11B | 90 BPM | ||
| Yokagami | mike | E♭ Minor | 7 | 2A | 143 BPM | ||
| SODA | I'MIS | B Major | 6 | 1B | 101 BPM | ||
| Ondine | Lyolite | F Major | 4 | 7B | 77 BPM | ||
| BONUS TRACK: Phantasmal Witchdom (Lo-fi) | NATSUKASHII | A Minor | 2 | 8A | 148 BPM | ||
| Fearless Mistakes | kami xxvoice | E♭ Minor | 9 | 2A | 140 BPM |