アンメルツP, Kagamine Rin's '幼馴染 (feat. 鏡音リン)' had a release date set for April 10, 2024. This song is about six minutes long, preciously at 5:36, making this song fairly long compared to other songs. There is only one song in 未配信セレクション～動～, so we believe that "幼馴染 (feat. 鏡音リン)" is a single. The popularity of 幼馴染 (feat. 鏡音リン) is currently not that popular right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.
The tempo marking of 幼馴染 (feat. 鏡音リン) by アンメルツP, Kagamine Rin is Presto (very, very fast), since this song has a tempo of 186 テンポ. With that information, we can conclude that the song has a fast tempo. The time signature for this track is 4/4.
F♯ Major is the music key of this track. 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.