Mega12, Courage made "Letter" available on November 22, 2019. Letter is 2 minutes and 29 seconds long and may contain bad words that may be unsuitable for children. The track order of this song in Mega12's "Megatunes" album is number 8 out of 12. The popularity of Letter is currently unknown right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.
We consider the tempo marking of Letter by Mega12, Courage to be Vivace (lively and fast) because the track has a tempo of 174 テンポ, a half-time of 87テンポ, and a double-time of 348 テンポ. Based on that, the speed of the song's tempo is fast. The time signature for this track is 4/4.
This song is in the music key of G Major. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.