Hollow by Polygraph Song Details

"Hollow" by Polygraph had its release date on October 17, 2025. The duration of This song is about two minutes long, specifically at 2:14. This song does not appear to have any foul language. Hollow's duration is considered a little bit shorter than the average duration of a typical track. There are a total of 6 in the song's album "Nightbloom". In this album, this song's track order is #1. Based on our statistics, Hollow's popularity is not that popular right now. Although the tone can be danceable to some, this track does projects more of a negative sound rather than a postive one.

BPM and Tempo

With Hollow by Polygraph having a BPM of 130 with a half-time of 65 BPM and a double-time of 260 BPM, we would consider this track to have a Allegro (fast, quick, and bright) tempo marking. Because of this, we believe that the song has an overall fast tempo. Looking at the BPM of this song, this song might go great with walking. The time signature for this track is 4/4.

Music Key

This song has a musical key of G Major. This also means that this song has a camelot key of 9B. So, the perfect camelot match for 9B would be either 9B or 10A. While, 10B can give you a low energy boost. For moderate energy boost, you would use 6B and a high energy boost can either be 11B or 4B. Though, if you want a low energy drop, you should looking for songs with either a camelot key of 9A or 8B will give you a low energy drop, 12B would be a moderate one, and 7B or 2B would be a high energy drop. Lastly, 6A allows you to change the mood.

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