The above 1 hour 50-minute video is of Tibetan Singing Bowls and nature sounds for healing, meditation and relaxation.
From Wikipedia:-
“Struck bowls are used in some Buddhist religious practices to accompany periods of meditation and chanting. Struck and singing bowls are widely used for music making, meditation and relaxation, as well as for personal spirituality. They have become popular with music therapists, sound healers and yoga practitioners.”
Here are the chakra notes for Tibetan singing bowls:
Root chakra – C
Sacral chakra – D
Solar Plexus chakra – E
Heart chakra – F
Throat chakra – G
Third Eye chakra – A
Crown chakra – B
To listen to various bowls that resonate to each chakra, see https://www.bodhisattva-store.com/listings/index.php?main_page=index&cPath=69&zenid=221bba5409592c3ffed22215f7277a32