Jv. Markez, JCC made "Letter" available on October 15, 2022. Letter is considered explicit and may contain foul language. This song is about 3 minutes and 15 seconds, which is about the average length of a typical song. Because this song is the only song in Letter and no other songs are present in the album, we classify this track as a single. Based on our statistics, Letter's popularity is not that popular right now. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.

Letter テンポ

We consider the tempo marking of Letter by Jv. Markez, JCC to be Moderato (at a moderate speed) because the track has a tempo of 120 テンポ, a half-time of 60テンポ, and a double-time of 240 テンポ. Based on that, the speed of the song's tempo is fast. Activities such as, walking, can go well with this song. The time signature for this track is 4/4.

Letter キー

This song is in the music key of C Major. This also means that 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.