"My apology letter" by Kim Yeon Woo was released on May 10, 2018. With this song being around four minutes long, at 4:03, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. The song is number 1 out of 10 in Forever yours by Kim Yeon Woo. Going off of the ISRC code of this track, we detected that the origin of this track is from South Korea. Based on our statistics, My apology letter'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.

My apology letter テンポ

The tempo marking of My apology letter by Kim Yeon Woo is Allegro (fast, quick, and bright), since this song has a tempo of 142 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.

My apology letter キー

This song is in the music key of E♭ Major. This also means that this song has a camelot key of 5B. So, the perfect camelot match for 5B would be either 5B or 6A. While, 6B can give you a low energy boost. For moderate energy boost, you would use 2B and a high energy boost can either be 7B or 12B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 5A or 4B will give you a low energy drop, 8B would be a moderate one, and 3B or 10B would be a high energy drop. Lastly, 2A allows you to change the mood.