逹瑯 made "the love letter feat.DURAN" available on February 7, 2022. The duration of the love letter feat.DURAN is about 3 minutes long, at 3:08. Based on our data, "the love letter feat.DURAN" 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 非科学方程式, so we believe that "the love letter feat.DURAN" is a single. Based on our statistics, the love letter feat.DURAN's popularity is below average in popularity right now. Since there is more of a neutral sound being played, this makes the track somewhat danceable.

the love letter feat.DURAN テンポ

The tempo marking of the love letter feat.DURAN by 逹瑯 is Allegro (fast, quick, and bright), since this song has a tempo of 156 テンポ. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.

the love letter feat.DURAN キー

C Minor is the music key of this track. Because this track belongs in the C Minor key, the camelot key is 5A. So, the perfect camelot match for 5A would be either 5A or 4B. While, a low energy boost can consist of either 5B or 6A. For moderate energy boost, you would use 2A and a high energy boost can either be 7A or 12A. However, if you are looking for a low energy drop, finding a song with a camelot key of 4A would be a great choice. Where 8A would give you a moderate drop, and 3A or 10A would be a high energy drop. Lastly, 8B allows you to change the mood.