桂小五郎（ＣＶ：森久保祥太郎）, 高杉晋作（ＣＶ：鈴木達央）'s ' "L or R" was released on its scheduled release date, August 5, 2015. With this song being around four minutes long, at 3:40, the duration of this song is pretty average compared to other songs. This track is safe for children and doesn't appear to contain any foul language, since the "Explicit" tag was not present in this track. There is only one song in 幕末Rock極魂（アルティメットソウル）ミニアルバム, so we believe that "L or R" is a single. In terms of popularity, L or R is currently not that popular. Since there is more of a neutral sound being played, this makes the track somewhat danceable.
The tempo marking of L or R by 桂小五郎（ＣＶ：森久保祥太郎）, 高杉晋作（ＣＶ：鈴木達央） is Andante (at a walking pace), since this song has a tempo of 98 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.
D♭ Minor is the music key of this track. This also means that this song has a camelot key of 12A. So, the perfect camelot match for 12A would be either 12A or 11B. While, a low energy boost can consist of either 12B or 1A. For moderate energy boost, you would use 9A and a high energy boost can either be 2A or 7A. However, if you are looking for a low energy drop, finding a song with a camelot key of 11A would be a great choice. Where 3A would give you a moderate drop, and 10A or 5A would be a high energy drop. Lastly, 3B allows you to change the mood.
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