KAMAUU, sped up nightcore made "open letter - Sped Up Version" available on August 17, 2023. The duration of open letter - Sped Up Version is about two minutes long, specifically at 2:41. This song does not appear to have any foul language. open letter - Sped Up Version's duration is considered a little bit shorter than the average duration of a typical track. The track order of this song in KAMAUU, sped up nightcore's "LACUNA in The House Of Mirrors (Sped Up)" album is number 8 out of 11. On top of that, United States appears to be the country where this track was created. In terms of popularity, open letter - Sped Up Version is currently not that popular. Even with the track produces more of a neutral energy, it is pretty danceable compared to others.
We consider the tempo marking of open letter - Sped Up Version by KAMAUU, sped up nightcore to be Andante (at a walking pace) because the track has a tempo of 104 テンポ, a half-time of 52テンポ, and a double-time of 208 テンポ. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.
This song is in the music key of F♯ Minor. This also means that this song has a camelot key of 11A. So, the perfect camelot match for 11A would be either 11A or 10B. While, a low energy boost can consist of either 11B or 12A. For moderate energy boost, you would use 8A and a high energy boost can either be 1A or 6A. However, if you are looking for a low energy drop, finding a song with a camelot key of 10A would be a great choice. Where 2A would give you a moderate drop, and 9A or 4A would be a high energy drop. Lastly, 2B allows you to change the mood.