SONAMOO made "I (knew it)" available on November 6, 2017. With this song being around four minutes long, at 3:43, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The track order of this song in SONAMOO's "HAPPY BOX PART.2" album is number 2 out of 2. On top of that, South Korea appears to be the country where this track was created. In terms of popularity, I (knew it) 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.

I (knew it) テンポ

We consider the tempo marking of I (knew it) by SONAMOO to be Moderato (at a moderate speed) because the track has a tempo of 118 テンポ, a half-time of 59テンポ, and a double-time of 236 テンポ. Based on that, the speed of the song's tempo is moderate. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

I (knew it) キー

This song has a musical key of E Minor. Because this track belongs in the E Minor key, the camelot key is 9A. So, the perfect camelot match for 9A would be either 9A or 8B. While, a low energy boost can consist of either 9B or 10A. For moderate energy boost, you would use 6A and a high energy boost can either be 11A or 4A. However, if you are looking for a low energy drop, finding a song with a camelot key of 8A would be a great choice. Where 12A would give you a moderate drop, and 7A or 2A would be a high energy drop. Lastly, 12B allows you to change the mood.