Plastic Tree's ' "アイレン" was released on its scheduled release date, September 4, 2013. With this song being about 5 minutes long, at This song is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. There is only one song in 瞳孔(通常盤), so we believe that "アイレン" is a single. Based on our statistics, アイレン's popularity is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.
The tempo marking of アイレン by Plastic Tree is Allegro (fast, quick, and bright), since this song has a tempo of 140 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.
This song has a musical key of G Major. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A 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 | ||
|---|---|---|---|---|---|---|---|
| Boku Ga Toketeku Kaeri Michi | Mamireta | B♭ Minor | 9 | 3A | 126 BPM | ||
| Mr. | kein | D♭ Major | 10 | 3B | 148 BPM | ||
| via dolorosa | L'eprica | A♭ Minor | 8 | 1A | 73 BPM | ||
| 在りし日の微傷 | Kagrra, | E Major | 9 | 12B | 140 BPM | ||
| リフレイン~土曜日の涙~ | Merry | B Minor | 9 | 10A | 126 BPM | ||
| 日没地区 / nichibotsuchiku | 有村竜太朗 | D Major | 7 | 10B | 83 BPM | ||
| 楽園の扉~夢柔力 | 未散プロジェクト | B Minor | 9 | 10A | 138 BPM | ||
| Shingetsu (2023 Remastering) | 櫻井敦司 | G Major | 7 | 9B | 92 BPM | ||
| 断罪 | MIZTAVLA | E Minor | 10 | 9A | 200 BPM | ||
| 冬東京 | KAMIJO | F♯ Minor | 10 | 11A | 136 BPM | ||
| Metamorphose | LAREINE | D Major | 2 | 10B | 172 BPM | ||
| A Peace of Broken Recollection | Malace Mizer | G Minor | 8 | 6A | 165 BPM | ||
| Mizerable | GACKT | D♭ Minor | 9 | 12A | 164 BPM | ||
| ダブル・プラトニツク・スウイサイド | 溶けない名前 | F Minor | 9 | 4A | 162 BPM | ||
| Perverted Martyr | Femme Fatale | A♭ Minor | 9 | 1A | 120 BPM | ||
| 餞の唄 | ZOMBIE | B Minor | 9 | 10A | 180 BPM | ||
| 童貞ですこ | カラビンカ | F Minor | 10 | 4A | 102 BPM | ||
| Lilly of the Valley | SHAZNA | B Minor | 10 | 10A | 144 BPM | ||
| Sentimental issues - 2025 Remaster | HOLLOWGRAM | A♭ Major | 10 | 4B | 103 BPM | ||
| oboreru sakana | deadman | D♭ Minor | 9 | 12A | 110 BPM | ||
| shiin:fukujyoushi | Mamireta | D♭ Major | 10 | 3B | 100 BPM | ||
| リマインドストーリー | ヴィドール | F♯ Minor | 9 | 11A | 185 BPM | ||
| Grim Reaper | Femme Fatale | D Major | 10 | 10B | 100 BPM | ||
| Rhapsody of the Darkness | Versailles | E Minor | 10 | 9A | 75 BPM | ||
| 本当の嘘 | Plastic Tree | F♯ Minor | 10 | 11A | 154 BPM |