"The Letter" by Kim Kwangjin was released on May 19, 2000. With this song being about 5 minutes long, at 4:42, "The Letter" by Kim Kwangjin is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. The track order of this song in Kim Kwangjin's "It's Me" album is number 3 out of 10. The Letter 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.

The Letter テンポ

We consider the tempo marking of The Letter by Kim Kwangjin to be Adagio (slowly with great expression) because the track has a tempo of 73 テンポ, a half-time of 36テンポ, and a double-time of 146 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

The Letter キー

This song is in the music key of C Major. This also means that this song has a camelot key of 8B. So, the perfect camelot match for 8B would be either 8B or 9A. While, 9B can give you a low energy boost. For moderate energy boost, you would use 5B and a high energy boost can either be 10B or 3B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 8A or 7B will give you a low energy drop, 11B would be a moderate one, and 6B or 1B would be a high energy drop. Lastly, 5A allows you to change the mood.