"21" by Boxrooster had its release date on December 17, 2025. 21 is explicit and may not be suitable for children. With the duration being about 4:21, this song is close to the average duration of a typical track. There is only one song in 21, so we believe that this song is a single. 21 is below average in popularity right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of 21 by Boxrooster is Andante (at a walking pace), since this song has a tempo of 82 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
G Major is the music key of this track. 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 | ||
|---|---|---|---|---|---|---|---|
| Wrench | Flycatcher | G Major | 9 | 9B | 160 BPM | ||
| Life On The Hellmouth | Wild Red, Chris Freeman, Hot Mulligan | D Major | 9 | 10B | 185 BPM | ||
| 75$72 | Dogpark | C Major | 8 | 8B | 149 BPM | ||
| Crashout | Solstice, The Band Solstice | C Major | 8 | 8B | 130 BPM | ||
| Glow | Sweet Pill | B♭ Minor | 6 | 3A | 150 BPM | ||
| Autopilot | ALEXSUCKS | B Minor | 9 | 10A | 154 BPM | ||
| Model Citizen | Ax and the Hatchetmen | A Major | 9 | 11B | 167 BPM | ||
| Brighter Than Before | Raynor | B Minor | 9 | 10A | 154 BPM | ||
| Easy Peeler | BROCKHOFF | E Major | 7 | 12B | 79 BPM | ||
| can't say no | Harvey Brittain | A Minor | 10 | 8A | 122 BPM | ||
| Nicer Before | Robbie Hunt | G Minor | 5 | 6A | 142 BPM | ||
| I Know Where Mark Chen Lives | Joyce Manor | F♯ Major | 8 | 2B | 156 BPM | ||
| Gift | Foliage | D Major | 6 | 10B | 128 BPM | ||
| Buzz | Vienna Vienna | G Major | 8 | 9B | 140 BPM | ||
| Some Kind of Dangerous | Arts Fishing Club | D Major | 6 | 10B | 93 BPM | ||
| Splinter | Heavywave | E Major | 3 | 12B | 117 BPM | ||
| Peek At My Heart | Garret Elias | E Major | 8 | 12B | 159 BPM | ||
| AFO | Ally Evenson | E Major | 8 | 12B | 139 BPM | ||
| Movie Scenes | Boxrooster | C Major | 6 | 8B | 126 BPM | ||
| End of the Year | TA GA DA | B Minor | 9 | 10A | 154 BPM | ||
| What’re You Going to Do? | Cardinal Bloom | E Major | 6 | 12B | 102 BPM | ||
| Bad Man | Jade Street | B Major | 9 | 1B | 201 BPM | ||
| Molly | Vienna Vienna | B Minor | 9 | 10A | 154 BPM | ||
| Carolina Called | Flagship | B Minor | 8 | 10A | 110 BPM | ||
| Don't Leave Me In The Dark (with Slow Joy & Caroline Romano) | Grayscale, Slow Joy, Caroline Romano | F♯ Major | 8 | 2B | 90 BPM |