Nuttige links
Sadhguru about sounds:
https://www.youtube.com/watch?v=DgaTkIY3tGY
https://www.youtube.com/watch?v=kmtvg3p2OOQ
Hidden Powers of Frequency & Vibrations!:
https://www.youtube.com/watch?v=JsTFCcUBYfE
MariAmma mantra group:
https://www.mantrazangmariamma.nl/
Information about water:
https://www.masaru-emoto.net/en/crystal/
https://whatthebleep.com/water-crystals/
Spiritual quotiënt:
