On February 2, 2026, the song "어제 우리 불꽃놀이 (Firework Diary) (Inst.)" was released by tripleS. The duration of This song is about 3 minutes long, at 3:08. Based on our data, This song appears to be safe for all ages and is not considered explicit. This track is about the average length of a typical track. There is only one song in 4study4work4inst Vol.3, so we believe that "어제 우리 불꽃놀이 (Firework Diary) (Inst.)" is a single. In terms of popularity, 어제 우리 불꽃놀이 (Firework Diary) (Inst.) is currently below average in popularity. The overall tone is very danceable, especially with its high energy, which produces more of a euphoric, cheerful, or happy vibe.
The tempo marking of 어제 우리 불꽃놀이 (Firework Diary) (Inst.) by tripleS is Moderato (at a moderate speed), since this song has a tempo of 118 BPM. With that information, we can conclude that the song has a moderate tempo. This song can go great with walking. The time signature for this track is 4/4.
This song has a musical key of B Minor. 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.
Want to find the BPM and music key for other songs? Check out our BPM and Key Finder page!