"If you want to find the secrets of the universe, think in terms of energy, frequency and vibration." - Nikola Tesla
The science of Cymatics illustrates that when sound frequencies move through a particular medium such as water, air or sand, it directly alters the vibration of matter.
432 Hz is said to be mathematically consistent with the patterns of the universe. Studies reveal that 432hz tuning vibrates with the universe's golden mean PHI and unifies the properties of light, time, space, matter, gravity and magnetism with biology, the DNA code and consciousness. When our atoms and DNA start to resonate in harmony with the spiraling pattern of nature, our sense of connection to nature is said to be magnified. The number 432 is also reflected in ratios of the Sun, Earth, and the moon as well as the precession of the equinoxes, the Great Pyramid of Egypt, Stonehenge, the Sri Yantra among many other sacred sites.
Dameon Keller writes:- "The Solar Spectrum & The Cosmic Keyboard: All of the frequencies in the spectrum are related in octaves, from gamma rays to subharmonics. These colors and notes are also related to our Chakras and other important energy centers. If we are to understand that (...) Chakras are connected to the Seven Rays of the Solar Spectrum, then the notes and frequencies we use for the same should be the same. A432 Hz is the tuning of the Cosmic Keyboard or Cosmic Pitchfork, as opposed to the A440 Hz modern ‘standard.' It places C# at 136.10 Hz ‘Om,' which is the main note of the Sitar in classical Indian music and the pitch of the chants of the Tibetan monks, who tell us ‘It comes from nature.'"
Also from innergarden.org - "The ancients tuned their instruments at an A of 432 Hz instead of 440 Hz - and for a good reason. There are plenty of music examples on the internet that you can listen to, in order to establish the difference for yourself. Attuning the instrument to 432 Hz results in a more relaxing sound, while 440 Hz slightly tenses up to body. This is because 440 Hz is out of tune with both macrocosmos and microcosmos. 432 Hz on the contrary is in tune ..."
You can enjoy more on all of this at the collective-evolution website ...