Nightmare by Fil Song Details

"Nightmare" by Fil had its release date on December 29, 2025. With this song being around four minutes long, at 4:12, 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. The track order of this song in Fil, Lee Chan Sol's "IDOL I Pt. 4 (Original Soundtrack)" album is number 1 out of 4. On top of that, South Korea appears to be the country where this track was created. Nightmare is unknown right now. In our opinion, the overall tone is not very danceable and projects negative sounds, such as being sad, depressed, or angry.

BPM and Tempo

We consider the tempo marking of Nightmare by Fil to be Adagio (slowly with great expression) because the track has a tempo of 68 BPM, a half-time of 34BPM, and a double-time of 136 BPM. Based on that, the speed of the song's tempo is slow. The time signature for this track is 4/4.

Music Key

B Major is the music key of this track. This also means that this song has a camelot key of 1B. So, the perfect camelot match for 1B would be either 1B or 2A. While, 2B can give you a low energy boost. For moderate energy boost, you would use 10B and a high energy boost can either be 3B or 8B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 1A or 12B will give you a low energy drop, 4B would be a moderate one, and 11B or 6B would be a high energy drop. Lastly, 10A 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!