Ariabl'eyeS's ' "Houkai no Bigaku" was released on its scheduled release date, November 17, 2025. With this song being around four minutes long, at 4:08, 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. Because this song is the only song in Houkai no Bigaku and no other songs are present in the album, we classify this track as a single. Based on our statistics, Houkai no Bigaku's popularity is below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
We consider the tempo marking of Houkai no Bigaku by Ariabl'eyeS to be Allegro (fast, quick, and bright) because the track has a tempo of 126 BPM, a half-time of 63BPM, and a double-time of 252 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.
E Minor is the music key of this track. Because this track belongs in the E Minor key, the camelot key is 9A. So, the perfect camelot match for 9A would be either 9A or 8B. While, a low energy boost can consist of either 9B or 10A. For moderate energy boost, you would use 6A and a high energy boost can either be 11A or 4A. However, if you are looking for a low energy drop, finding a song with a camelot key of 8A would be a great choice. Where 12A would give you a moderate drop, and 7A or 2A would be a high energy drop. Lastly, 12B 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!
| Track | Artist | Key | Energy | Camelot | BPM | ||
|---|---|---|---|---|---|---|---|
| Wonderland (feat. akina) | Pratanallis, akina | D Minor | 10 | 7A | 110 BPM | ||
| とっておきAnswer | Poppin'Party | C Major | 10 | 8B | 96 BPM | ||
| Souzou no Idea | Ariabl'eyeS | G Minor | 9 | 6A | 130 BPM | ||
| Incubation | Yuko Suzuhana | A♭ Major | 4 | 4B | 77 BPM | ||
| FORTUNE KILLER | HaNaTaN | D♭ Minor | 10 | 12A | 114 BPM | ||
| ハチャメチャRush!! | Refrain Girl - AIris | D Major | 10 | 10B | 95 BPM | ||
| HAPPY LUCKY JET!! | Miho Okasaki | D Major | 10 | 10B | 95 BPM | ||
| Hexen Noir | ELFENSJóN | D♭ Major | 10 | 3B | 135 BPM | ||
| Get Lost In Hades feat.荊 (Single ver. 2025) | FATE GEAR | E♭ Minor | 9 | 2A | 130 BPM | ||
| 月の季節 | Miho Okasaki | D Major | 6 | 10B | 81 BPM | ||
| Re:ignite!! | 樋口楓 | D♭ Major | 9 | 3B | 160 BPM | ||
| 嘘月が綺麗ですね | 廉 | E♭ Minor | 9 | 2A | 188 BPM | ||
| Moon Rainbow Butterfly - Remastered | NEEDY GIRL OVERDOSE, Lullabyte, P-Chan | A Minor | 10 | 8A | 133 BPM | ||
| 初メテノオ憑カイ | 憑依中毒-シャーマンホリック- | C Minor | 10 | 5A | 150 BPM | ||
| Sweet Winter (2024 Remaster) | 暁Records | B♭ Major | 9 | 6B | 151 BPM | ||
| Kickin' on Heaven's Door | She is Legend | B Minor | 9 | 10A | 115 BPM | ||
| 流星トワイライト | パラレルサイダー | B♭ Minor | 10 | 3A | 95 BPM | ||
| Gravity of Love | TSUCASA | D Major | 10 | 10B | 95 BPM | ||
| トロイメライ | 少女フラクタル | E♭ Minor | 10 | 2A | 160 BPM | ||
| THIS ILLUSION | 芳賀 敬太, スパイラル・ラダー, Yuriko Kaida, 六花, 310 | D Major | 10 | 10B | 95 BPM | ||
| richromatic-prayer | La prière | B Major | 10 | 1B | 97 BPM | ||
| 月夜に舞う恋の花 | ういにゃす, Active Planets & AUGUST | F♯ Minor | 8 | 11A | 186 BPM | ||
| UTAKATA (feat. 宮舞モカ) | EnabLoid, 宮舞モカ | F♯ Major | 10 | 2B | 110 BPM | ||
| We cannot get out of here forever | Draw The Emotional | F Minor | 10 | 4A | 180 BPM | ||
| TSUMUGIBOSHI (feat. timao) | Oguni Kanon, timao | D♭ Minor | 9 | 12A | 115 BPM |