胡小鸥 made "萤火" available on November 22, 2022. The duration of 萤火 is about two minutes long, specifically at 2:03. This song does not appear to have any foul language. 萤火's duration is considered a little bit shorter than the average duration of a typical track. There is only one song in 卿卿日常 电视剧原声带, so we believe that "萤火" is a single. 萤火 is unknown right now. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.

萤火 テンポ

The tempo marking of 萤火 by 胡小鸥 is Andante (at a walking pace), since this song has a tempo of 80 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.

萤火 キー

D Minor is the music key of this track. Because this track belongs in the D Minor key, the camelot key is 7A. So, the perfect camelot match for 7A would be either 7A or 6B. While, a low energy boost can consist of either 7B or 8A. For moderate energy boost, you would use 4A and a high energy boost can either be 9A or 2A. However, if you are looking for a low energy drop, finding a song with a camelot key of 6A would be a great choice. Where 10A would give you a moderate drop, and 5A or 12A would be a high energy drop. Lastly, 10B allows you to change the mood.