ONI INC.'s '666' came out on January 21, 2021. 666 is 2 minutes and 26 seconds long and may contain bad words that may be unsuitable for children. There is only one song in 666, so we believe that this song is a single. Based on our statistics, 666's popularity is below average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

666 テンポ

The tempo marking of 666 by ONI INC. is Allegro (fast, quick, and bright), since this song has a tempo of 150 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with jogging or cycling. The time signature for this track is 4/4.

666 キー

This song has a musical key of D Major. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.