Tesk, Sitting Duck's 'Letter' came out on November 20, 2020. The duration of Letter is about two minutes long, specifically at 2:02. This song does not appear to have any foul language. Letter'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 and no other songs are present in the album, we classify this track as a single. The popularity of Letter is currently average in popularity right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Letter テンポ

We consider the tempo marking of Letter by Tesk, Sitting Duck to be Vivace (lively and fast) because the track has a tempo of 172 テンポ, a half-time of 86テンポ, and a double-time of 344 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 キー

This song has a musical key of A♭ Minor. Because this track belongs in the A♭ Minor key, the camelot key is 1A. So, the perfect camelot match for 1A would be either 1A or 12B. While, a low energy boost can consist of either 1B or 2A. For moderate energy boost, you would use 10A and a high energy boost can either be 3A or 8A. However, if you are looking for a low energy drop, finding a song with a camelot key of 12A would be a great choice. Where 4A would give you a moderate drop, and 11A or 6A would be a high energy drop. Lastly, 4B allows you to change the mood.