Pinnacle made "Letter A" available on January 1, 2024. The duration of Letter A is about two minutes long, specifically at 2:34. This song does not appear to have any foul language. Letter A'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 A and no other songs are present in the album, we classify this track as a single. The popularity of Letter A is currently unknown right now. The mood doesn't appear to be that danceable, but it still produces a high amount of positive energy.

Letter A テンポ

We consider the tempo marking of Letter A by Pinnacle to be Vivace (lively and fast) because the track has a tempo of 166 テンポ, a half-time of 83テンポ, and a double-time of 332 テンポ. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.

Letter A キー

This song has a musical key of B Major. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A allows you to change the mood.