The Solfeggio frequencies are a set of ancient musical tones that are said to have various healing and spiritual properties. The 396 Hz frequency is one of the Solfeggio frequencies and is often associated with liberating one from fear and guilt. It is also sometimes referred to as the "UT" frequency, derived from the Latin term "Ut queant laxis," which was used historically in solmization (solfège) to represent the note C.
It's important to note that the Solfeggio frequencies have a controversial history, and their healing and spiritual properties are not scientifically supported. They have gained popularity in New Age and alternative medicine circles. People who believe in their effects often use them for meditation, relaxation, and sound therapy.
If you are interested in exploring the Solfeggio frequencies, you can find recordings and music tracks with the 396 Hz frequency online to incorporate into your relaxation or meditation practices. However, it's essential to approach such practices with an open but critical mind, as scientific evidence supporting their specific healing or spiritual effects is limited.