A crow is white's ' "サヨナラ！フラッシュバック！～hard mode ver. ～" was released on its scheduled release date, September 21, 2016. The duration of This song is about two minutes long, specifically at 2:24. This song does not appear to have any foul language. サヨナラ！フラッシュバック！～hard mode ver. ～'s duration is considered a little bit shorter than the average duration of a typical track. There is only one song in バックトゥザフューチャー, so we believe that "サヨナラ！フラッシュバック！～hard mode ver. ～" is a single. Based on our statistics, サヨナラ！フラッシュバック！～hard mode ver. ～'s popularity is not that popular right now. The overall mood can be danceable to some, especially with it's high amount of postive energy.
The tempo marking of サヨナラ！フラッシュバック！～hard mode ver. ～ by A crow is white is Allegro (fast, quick, and bright), since this song has a tempo of 156 BPM. With that information, we can conclude that the song has a fast tempo. This song can go great with running. The time signature for this track is 4/4.
F♯ Minor is the music key of this track. 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.
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