黒い涙 by Hotaru Song Details

Hotaru's ' "黒い涙" was released on its scheduled release date, October 1, 2025. With this song being about 5 minutes long, at This song is fairly a long song compared to the average song length. This song does not have an "Explicit" tag, making it safe for all ages. The track order of this song in Hotaru's "Memories" album is number 8 out of 10. Based on our statistics, 黒い涙's popularity is not that popular right now. Based on the vibe, this track doesn't seem to be that danceable, however its valence properties can make this some somewhat danceable.

BPM and Tempo

We consider the tempo marking of 黒い涙 by Hotaru to be Allegro (fast, quick, and bright) because the track has a tempo of 148 BPM, a half-time of 74BPM, and a double-time of 296 BPM. Based on that, the speed of the song's tempo is fast. Activities such as, jogging or cycling, can go well with this song. The time signature for this track is 4/4.

Music Key

This song is in the music key of B♭ Minor. Because this track belongs in the B♭ Minor key, the camelot key is 3A. So, the perfect camelot match for 3A would be either 3A or 2B. While, a low energy boost can consist of either 3B or 4A. For moderate energy boost, you would use 12A and a high energy boost can either be 5A or 10A. However, if you are looking for a low energy drop, finding a song with a camelot key of 2A would be a great choice. Where 6A would give you a moderate drop, and 1A or 8A would be a high energy drop. Lastly, 6B 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!