AROM, Wilden's 'letter to my past' came out on April 16, 2021. The duration of letter to my past is about two minutes long, specifically at 2:07. This song does not appear to have any foul language. letter to my past's duration is considered a little bit shorter than the average duration of a typical track. Because this song is the only song in letter to my past and no other songs are present in the album, we classify this track as a single. In terms of popularity, letter to my past is currently average in popularity. Although the overall vibe is very danceable, it does project more negative sounds.

letter to my past テンポ

We consider the tempo marking of letter to my past by AROM, Wilden to be Moderato (at a moderate speed) because the track has a tempo of 110 テンポ, a half-time of 55テンポ, and a double-time of 220 テンポ. Based on that, the speed of the song's tempo is moderate. The time signature for this track is 4/4.

letter to my past キー

F Major is the music key of this track. This also means that this song has a camelot key of 7B. So, the perfect camelot match for 7B would be either 7B or 8A. While, 8B can give you a low energy boost. For moderate energy boost, you would use 4B and a high energy boost can either be 9B or 2B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 7A or 6B will give you a low energy drop, 10B would be a moderate one, and 5B or 12B would be a high energy drop. Lastly, 4A allows you to change the mood.