On January 15, 2004, the song "心の手紙" was released by BoA. With this song being about 5 minutes long, at This song 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 BoA's "LOVE & HONESTY" album is number 9 out of 13. On top of that, Japan appears to be the country where this track was created. In terms of popularity, 心の手紙 is currently not that popular. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
We consider the tempo marking of 心の手紙 by BoA to be Andante (at a walking pace) because the track has a tempo of 102 BPM, a half-time of 51BPM, and a double-time of 204 BPM. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.
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.
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