劉悅SPAM（生番）'s '藍氣球' had a release date set for June 7, 2021. With this song being around four minutes long, at 4:02, 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 而立, so we believe that "藍氣球" is a single. 藍氣球 is not that popular right now. Although the overall vibe is very danceable, it does project more negative sounds.

藍氣球 テンポ

The tempo marking of 藍氣球 by 劉悅SPAM（生番） is Andante (at a walking pace), since this song has a tempo of 83 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.

藍氣球 キー

B Minor is the music key of this track. This also means that this song has a camelot key of 10A. So, the perfect camelot match for 10A would be either 10A or 9B. While, a low energy boost can consist of either 10B or 11A. For moderate energy boost, you would use 7A and a high energy boost can either be 12A or 5A. However, if you are looking for a low energy drop, finding a song with a camelot key of 9A would be a great choice. Where 1A would give you a moderate drop, and 8A or 3A would be a high energy drop. Lastly, 1B allows you to change the mood.