639 Hz Solfeggio Frequency (Pure Tone)

(I would recommend turning the volume down before you click the videos and then adjust the volume to your comfort level)

(I was laid off from my job, donations would be greatly appreciated, thank you!:) https://cash.me/$Mel74361

639 Hz is believed to aid in achieving mental balance, foster harmonious relationships between loved ones and the community in which you live, plus it promotes comprehension, communication, and tolerance.