The world of Sound Healing is growing rapidly, and there are many courses that certify people in Yoga, Chakras, or sound therapy. Most of the certifications include the study of Solfeggio Frequencies.
When looking for partitioners or sound healers, always check their background and see if they have any certifications in Sound Healing practices.
There are many courses offered online that offer people the chance to educate themselves on the world of Sound Healing.