BURNOUT SYNDROMES made "ラブレター。" available on January 28, 2015. The duration of ラブレター。 is about 3 minutes long, at 3:23. Based on our data, "ラブレター。" appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 世界一美しい世界一美しい世界, so we believe that "ラブレター。" is a single. Based on our statistics, ラブレター。's popularity is below average in popularity right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.

ラブレター。 テンポ

The tempo marking of ラブレター。 by BURNOUT SYNDROMES is Allegro (fast, quick, and bright), since this song has a tempo of 121 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with walking. The time signature for this track is 4/4.

ラブレター。 キー

G Major is the music key of this track. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.