Propain, DJ X.O.'s '7' came out on March 9, 2018. 7 is explicit and may not be suitable for children. With the duration being about 4:05, this song is close to the average duration of a typical track. There is only one song in 7 Day Theory, so we believe that "7" is a single. Based on our statistics, 7's popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

7 テンポ

The tempo marking of 7 by Propain, DJ X.O. is Allegro (fast, quick, and bright), since this song has a tempo of 151 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.

7 キー

This song has a musical key of C Minor. Because this track belongs in the C Minor key, the camelot key is 5A. So, the perfect camelot match for 5A would be either 5A or 4B. While, a low energy boost can consist of either 5B or 6A. For moderate energy boost, you would use 2A and a high energy boost can either be 7A or 12A. However, if you are looking for a low energy drop, finding a song with a camelot key of 4A would be a great choice. Where 8A would give you a moderate drop, and 3A or 10A would be a high energy drop. Lastly, 8B allows you to change the mood.