I was working with a client last week, doing a standard chakra balance with my amethyst grid set up around them. About twenty minutes in, I started hearing this low hum. Not external — more like it was coming from inside my own skull. My client opened her eyes halfway through and asked if I heard "that sound" too.

That's when things got interesting.

I've been thinking about this through the lens of Jung's concept of synchronicity, because honestly, what are the odds we'd both perceive the same thing at the same moment? In my experience, crystal grids seem to act as focal points — not generating energy themselves but giving your attention something to anchor on. Placebo? Maybe. But the shared auditory experience is hard to dismiss that easily.

The High Priestess card keeps coming up for me in relation to this. You know the imagery — the veil between conscious and unconscious, that stillness that holds hidden knowledge. That hum felt like tapping into something behind the veil. The Pillars of Boaz and Jachin on the card represent duality, and I wonder if what I was hearing was the vibration that exists between states. Between what we can measure and what we can't.

I know "quantum healing frequency" gets thrown around a lot in wellness spaces and most of it is nonsense. I'm not going to sit here and claim I have scientific proof of what happened. But I do think there's something worth examining when two people in a deeply relaxed, meditative state share an auditory experience that neither expected. The nervous system drops into parasympathetic mode, the analytical mind quiets, and perhaps we become receptive to subtler layers of perception that usually get filtered out.

I've since tried recreating the conditions — same grid, similar timing — and haven't heard it again. Which makes me think it wasn't the crystals doing something specific so much as the shared space opening a doorway temporarily. Maybe the hum is always there, vibrating beneath our awareness, and certain states of consciousness simply make it audible.

Has anyone else encountered something like this? I'd love to hear your experiences, even the ones that defy easy explanation. Sometimes the mysteries are the most meaningful part of this work.