"INTRO : Calling" by BTS was released on July 14, 2020. With INTRO : Calling being less than two minutes long, at 1:24, we are fairly confident that this song is not explicit and is safe for all ages. Based on the duration of this song, this song duration is much smaller than the average song duration. The track order of this song in BTS's "MAP OF THE SOUL : 7 ~ THE JOURNEY ~" album is number 1 out of 13. Based on our statistics, INTRO : Calling's popularity is 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.

INTRO : Calling テンポ

We consider the tempo marking of INTRO : Calling by BTS to be Allegro (fast, quick, and bright) because the track has a tempo of 145 テンポ, a half-time of 72テンポ, and a double-time of 290 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

INTRO : Calling キー

B♭ Major is the music key of this track. 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.