On April 28, 2021, the song "さよなら" was released by 15MUS. With this song being around four minutes long, at 4:27, 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 are a total of 10 in the song's album "STAND". In this album, this song's track order is #7. The popularity of さよなら is currently below average in popularity right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
With さよなら by 15MUS having a BPM of 160 with a half-time of 80 BPM and a double-time of 320 BPM, we would consider this track to have a Vivace (lively and fast) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the BPM of this song, this song might go great with running. The time signature for this track is 4/4.
B♭ Major is the music key of this track. Or for those who are familiar with the camelot wheel, this song has a camelot key of 6B. So, the perfect camelot match for 6B would be either 6B or 7A. While, 7B can give you a low energy boost. For moderate energy boost, you would use 3B and a high energy boost can either be 8B or 1B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 6A or 5B will give you a low energy drop, 9B would be a moderate one, and 4B or 11B would be a high energy drop. Lastly, 3A allows you to change the mood.