Emo Side Project's 'A letter' came out on August 1, 2014. With this song being around four minutes long, at 3:30, 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. There are a total of 11 in the song's album "The End of Something". In this album, this song's track order is #2. Based on our statistics, A 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.

A letter テンポ

With A letter by Emo Side Project having a テンポ of 140 with a half-time of 70 テンポ and a double-time of 280 テンポ, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the テンポ of this song, this song might go great with jogging or cycling. The time signature for this track is 4/4.

A letter キー

C Major is the music key of this track. Or for those who are familiar with the camelot wheel, 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.