369 Hz + 396 Hz + 639 Hz + 963 Hz Tuning Forks (Theta Waves)

Just listen to absorb Nikola Tesla's 3-6-9 Secret Code with the 369 Hz tuning fork AND 3 Solfeggio frequencies that include 3, 6, and 9 — 396 Hz + 639 Hz + 963 Hz tuning forks. 6 Hz theta binaural beats and isochronic tones are included to help with deep relaxation.

"If you want to find the secrets of the universe, think in terms of energy, frequency, and vibration."
— Nikola Tesla

Theta brainwave state is associated with deep relaxation, inner peace, creativity, intuition, insight, meditation, accessing the subconscious mind, and the early stages of sleep and dreams.

"If you only knew the magnificence of the 3, 6, and 9, then you would have a key to the universe." — Nikola Tesla