639 Hz Theta

639 Hz frequency is often referred to as the "love frequency" within the Solfeggio scale
https://higherfrequencies2.bandcamp.com/

Fosters Connection and Improved Relationships
Promotes Feelings of Compassion, Love and Understanding
Supports Conflict Resolution and Emotional Clarity
Reduces Stress and Enhances Mental Clarity
Improves Communication
Promotes Emotional Healing and Well-Being