639Hz Infinite Harmony by Solfeggio Healing Frequencies Song Details

"639Hz Infinite Harmony" by Solfeggio Healing Frequencies had its release date on September 11, 2025. With this song being around four minutes long, at 4:06, 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. There is only one song in 639Hz Heart Connection, so we believe that "639Hz Infinite Harmony" is a single. 639Hz Infinite Harmony is not that popular 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

The tempo marking of 639Hz Infinite Harmony by Solfeggio Healing Frequencies is Adagio (slowly with great expression), since this song has a tempo of 74 BPM. With that information, we can conclude that the song has a slow tempo. The time signature for this track is 4/4.

Music Key

This song has a musical key of G Minor. Because this track belongs in the G Minor key, the camelot key is 6A. So, the perfect camelot match for 6A would be either 6A or 5B. While, a low energy boost can consist of either 6B or 7A. For moderate energy boost, you would use 3A and a high energy boost can either be 8A or 1A. However, if you are looking for a low energy drop, finding a song with a camelot key of 5A would be a great choice. Where 9A would give you a moderate drop, and 4A or 11A would be a high energy drop. Lastly, 9B allows you to change the mood.

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