すぃ, rairu's '楓(カバー)' came out on February 17, 2016. 楓(カバー) is about six minutes long, preciously at 5:36, making this song fairly long compared to other songs. There is only one song in 灯響プラグレス, so we believe that "楓(カバー)" is a single. 楓(カバー) is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.
The tempo marking of 楓(カバー) by すぃ, rairu is Andante (at a walking pace), since this song has a tempo of 80 テンポ. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
A♭ Major is the music key of this track. This also means that this song has a camelot key of 4B. So, the perfect camelot match for 4B would be either 4B or 5A. While, 5B can give you a low energy boost. For moderate energy boost, you would use 1B and a high energy boost can either be 6B or 11B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 4A or 3B will give you a low energy drop, 7B would be a moderate one, and 2B or 9B would be a high energy drop. Lastly, 1A allows you to change the mood.