Yuki Saito's '「さよなら」(2021 version)' came out on February 21, 2021. With this song being around four minutes long, at 4:23, 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 水響曲, so we believe that "「さよなら」(2021 version)" is a single. 「さよなら」(2021 version) is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

「さよなら」(2021 version) テンポ

The tempo marking of 「さよなら」(2021 version) by Yuki Saito is Adagio (slowly with great expression), since this song has a tempo of 74 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.

「さよなら」(2021 version) キー

The music key of this track is D Major. This also means that this song has a camelot key of 10B. So, the perfect camelot match for 10B would be either 10B or 11A. While, 11B can give you a low energy boost. For moderate energy boost, you would use 7B and a high energy boost can either be 12B or 5B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 10A or 9B will give you a low energy drop, 1B would be a moderate one, and 8B or 3B would be a high energy drop. Lastly, 7A allows you to change the mood.