This 2 hours of 852Hz sound will help you meditate to open your 3rd eye chakra. The indigo chakra or also called Ajna. The 3rd eye chakra is one of the most known chakra and is considerated as the mother of all chakras. This chakra supervises them all. Also known as the eye of the soul, this chakra is located in the centre of the brain to reflect the central role. Enjoy your meditation.