Undefined
Refrain Girl - AIris
3:37
June 5, 2026
- BPM
- 144
- Key
- D♭ Major
- Camelot
- 3B
Undefined by Refrain Girl - AIris Song Details
- Popularity
- 14%
- Loudness
- -8.432 dB
- Acousticness
- 0%
- Danceability
- 52%
- Energy
- 85%
- Instrumentalness
- 66%
- Liveness
- 33%
- Loudness
- 86%
- Speechiness
- 14%
- Valence
- 52%
Recommendations
| Track | Artist | Key | Energy | Camelot | BPM | ||
|---|---|---|---|---|---|---|---|
 | 黒薔薇のミサ | QchanMusic | D♭ Major | 9 | 3B | 95 BPM | |
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 | ざわつく夜 | NIO | D♭ Major | 9 | 3B | 95 BPM | |
 | Your Silence Crawls | NoLoNeyMusicChannel | D♭ Major | 9 | 3B | 95 BPM | |
 | Call me properly | ARATA | D♭ Major | 9 | 3B | 95 BPM | |
 | 女神Stay Gold! | 前島亜美 | D♭ Major | 9 | 3B | 95 BPM | |
 | 薄明光線 | ドラマチックレコード | D♭ Major | 9 | 3B | 95 BPM | |
 | ガラスの靴じゃ走れない | team_HKT | D♭ Major | 9 | 3B | 95 BPM | |
 | 冬のひかり | アイニア | B Major | 7 | 1B | 136 BPM | |
 | ショットガンみたいな下痢をした | ザビャン | D♭ Major | 9 | 3B | 95 BPM | |
 | 黎明 | LUMiRiSE | D♭ Major | 9 | 3B | 95 BPM | |
 | Glassroom Regret | NoLoNeyMusicChannel | B♭ Minor | 7 | 3A | 94 BPM | |
 | Gothic Voltage | ネオノスタルジカ - NeoNostalgica - | B♭ Minor | 7 | 3A | 94 BPM | |
 | Speedfall | NoLoNeyMusicChannel | B♭ Minor | 7 | 3A | 174 BPM | |
 | Letter - 11SOUL ver. | GANG PARADE | D♭ Major | 9 | 3B | 95 BPM | |
 | 朝の真ん中で | Piero | D♭ Major | 9 | 3B | 95 BPM | |
 | Neo Universe | kAthrsIs katharsis | D♭ Major | 9 | 3B | 95 BPM | |
 | ロボットの沈黙 | Hikariya Hikariya | D♭ Major | 9 | 3B | 95 BPM | |
 | SHIZUKU | Sennoha | D♭ Major | 9 | 3B | 95 BPM | |
 | Ethereal Bloom | NatsuMusic | D Minor | 7 | 7A | 178 BPM | |
 | 心拍数#0822 covered by 結城りな(ukka) | Imgramox Music, 結城りな(ukka) | F Major | 8 | 7B | 118 BPM | |
 | Bloody Bloom | Suisei YORU | D♭ Major | 9 | 3B | 95 BPM | |
 | ENMN | まりなす | D♭ Major | 9 | 3B | 95 BPM | |
 | Fluffy | Celine's Healing | D♭ Major | 9 | 3B | 95 BPM |
Undefined is a neutral, high-energy track by Refrain Girl - AIris from AIris 1st Live Concert (ACT2), released June 5, 2026. It runs 3:37 at 144 BPM (288 BPM double-time) in D♭ Major (Camelot 3B).
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- ISRC
- QT3F42621578
- Label
- L-M Records/RCA Records