いれいす's ' "Empty Heart" was released on its scheduled release date, October 29, 2025. The duration of This song is about 3 minutes long, at 3:14. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. Because this song is the only song in Empty Heart and no other songs are present in the album, we classify this track as a single. Going off of the ISRC code of this track, we detected that the origin of this track is from Japan. In terms of popularity, Empty Heart is currently below average in popularity. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of Empty Heart by いれいす is Andante (at a walking pace), since this song has a tempo of 101 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
D♭ Major is the music key of this track. 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.
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 | ||
|---|---|---|---|---|---|---|---|
| 月は綺麗なのに | ころん | F♯ Major | 5 | 2B | 90 BPM | ||
| セツナBlossom - TVsize | 3年E組うた担(渚&茅野&業&磯貝&前原) | D♭ Major | 10 | 3B | 172 BPM | ||
| 人狼ゲームの歌 | nasuo | C Major | 8 | 8B | 140 BPM | ||
| Melting Love | AMPTAKxCOLORS | F Minor | 9 | 4A | 120 BPM | ||
| Phantom Quartz - arrange ver. | Relu | C Major | 9 | 8B | 140 BPM | ||
| ノスフェラトゥ | カゲチヨ | D♭ Major | 9 | 3B | 175 BPM | ||
| がっこう戦争 (やなと×らお×ゆたくん×おさでい) | すにすて - SneakerStep Prod.STPR MUSIC | D♭ Major | 10 | 3B | 172 BPM | ||
| Siren | If | D♭ Major | 8 | 3B | 164 BPM | ||
| 熱と白昼夢 | るぅと | D♭ Major | 10 | 3B | 172 BPM | ||
| 恋栞 | illuvista | G Major | 9 | 9B | 140 BPM | ||
| 変光星 | Relu | A Major | 7 | 11B | 130 BPM | ||
| Code:12 -Still here- | 城瀬 由鶴(CV. 堀江 瞬) | B Minor | 7 | 10A | 204 BPM | ||
| 僕のための歌 | ルンルン | G Major | 9 | 9B | 98 BPM | ||
| 彗星列車のベルが鳴る | After the Rain | D Major | 8 | 10B | 92 BPM | ||
| スーパーノヴァ | SI-VIS | A♭ Major | 10 | 4B | 95 BPM | ||
| EDEN 歌ってみた | すにすて - SneakerStep Prod.STPR MUSIC | C Major | 8 | 8B | 115 BPM | ||
| you&U&me - Sho ver. | 初兎 | F♯ Major | 7 | 2B | 176 BPM | ||
| あいすること | 入野自由 | F Major | 7 | 7B | 176 BPM | ||
| ぼくらヒューマノイド | ころん | F♯ Minor | 10 | 11A | 93 BPM | ||
| 問題です | 福本大晴 | C Major | 9 | 8B | 150 BPM | ||
| STAR to STPR | STPR Creators | D♭ Major | 8 | 3B | 200 BPM | ||
| HUE | あっと | B♭ Major | 9 | 6B | 116 BPM | ||
| ギミモ | 葛葉 | G Major | 9 | 9B | 119 BPM | ||
| Crazy Buddies! | ROF-MAO | B Minor | 9 | 10A | 121 BPM | ||
| Ready set glow | ぶいすぽっ!, 夜乃くろむ | C Major | 10 | 8B | 90 BPM |