On October 8, 2021, the song "Letter to YP" was released by SD Muni. Letter to YP is considered explicit and may contain foul language. This song is about 3 minutes and 3 seconds, which is about the average length of a typical song. Because this song is the only song in Letter to YP and no other songs are present in the album, we classify this track as a single. On top of that, United Kingdom appears to be the country where this track was created. In terms of popularity, Letter to YP is currently unknown. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

Letter to YP テンポ

We consider the tempo marking of Letter to YP by SD Muni to be Moderato (at a moderate speed) because the track has a tempo of 116 テンポ, a half-time of 58テンポ, and a double-time of 232 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 4/4.

Letter to YP キー

This song has a musical key of F♯ Major. This also means that this song has a camelot key of 2B. So, the perfect camelot match for 2B would be either 2B or 3A. While, 3B can give you a low energy boost. For moderate energy boost, you would use 11B and a high energy boost can either be 4B or 9B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 2A or 1B will give you a low energy drop, 5B would be a moderate one, and 12B or 7B would be a high energy drop. Lastly, 11A allows you to change the mood.