I.O.I made "I.O.I - Intro" available on May 4, 2016. With I.O.I - Intro being less than a minute long, we are pretty confident that this song does not contain any foul language. That being said, this song is pretty short compared to other songs. The track order of this song in I.O.I's "I.O.I 1st Mini Album 'Chrysalis'" album is number 1 out of 7. I.O.I - Intro is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

I.O.I - Intro テンポ

We consider the tempo marking of I.O.I - Intro by I.O.I to be Andante (at a walking pace) because the track has a tempo of 83 テンポ, a half-time of 42テンポ, and a double-time of 166 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

I.O.I - Intro キー

This song is in the music key of A♭ Major. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.