K Koke's 'Letter Back' came out on March 14, 2018. Letter Back is explicit and may not be suitable for children. With the duration being about 4:04, this song is close to the average duration of a typical track. Because this song is the only song in Letter Back and no other songs are present in the album, we classify this track as a single. On top of that, France appears to be the country where this track was created. In terms of popularity, Letter Back is currently below average in popularity. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

Letter Back テンポ

We consider the tempo marking of Letter Back by K Koke to be Moderato (at a moderate speed) because the track has a tempo of 119 テンポ, a half-time of 60テンポ, and a double-time of 238 テンポ. Based on that, the speed of the song's tempo is moderate. Activities such as, walking, can go well with this song. The time signature for this track is 5/4.

Letter Back キー

This song is in the music key of D♭ Minor. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.