H1SLIM made "I Know" available on September 9, 2021. I Know is explicit and may not be suitable for children. With the duration being about 3:40, this song is close to the average duration of a typical track. Because this song is the only song in I Know and no other songs are present in the album, we classify this track as a single. Based on our statistics, I Know's popularity is not that popular right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

I Know テンポ

We consider the tempo marking of I Know by H1SLIM to be Allegro (fast, quick, and bright) because the track has a tempo of 130 テンポ, a half-time of 65テンポ, and a double-time of 260 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 5/4.

I Know キー

This song is in the music key of D♭ Major. 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.