Onlyone's ' "I Swear" was released on its scheduled release date, December 18, 2016. I Swear is considered explicit and may contain foul language. This song is about 3 minutes and 14 seconds, which is about the average length of a typical song. Because this song is the only song in I Swear and no other songs are present in the album, we classify this track as a single. On top of that, United States appears to be the country where this track was created. Based on our statistics, I Swear's popularity is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

I Swear テンポ

We consider the tempo marking of I Swear by Onlyone 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 4/4.

I Swear キー

This song has a musical key of B♭ Major. This also means that this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.