ILYREL! made "4certain." available on April 28, 2023. 4certain. is 2 minutes and 24 seconds long and may contain bad words that may be unsuitable for children. The track order of this song in Relooo!'s "loveK" album is number 1 out of 3. Based on our statistics, 4certain.'s popularity is unknown right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

4certain. テンポ

We consider the tempo marking of 4certain. by ILYREL! to be Allegro (fast, quick, and bright) because the track has a tempo of 140 テンポ, a half-time of 70テンポ, and a double-time of 280 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

4certain. キー

This song is in the music key of D♭ Minor. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.