Harmonics vibrate in proportionate sympathy with each other and their effect would be similar in the body when the sound vibrates the different layers of density of tissue and bone. The range of a harp is also great enough so that when it is played, the harmonic series comes out into our minds and bodies. The Celtic harp is closer to what one would think of as an angels harp. It has no pedals to icomplicate, interfere and bog down the sound and thoughts of the performer and listeners. Music is healing if it is played with healing intent.
Intention is an important distinction when seeking an effect.
You might want just to relax, to learn, to be entertained, or mesmerized. When seeking out a musician's services, be sure they know exactly what you want, otherwise you might not get what you think. She started leading group relaxation and visualization sessions for actors in 1987. She gained knowledge in harmonics and tuning techniques through an apprenticeship in piano tuning with Bill Saddler, University of Minnesota. For more performing experience information, please see Resume .