Here is a website listing the effects on the human body of every frequency, from sub-bass rumblings (1hz is good for stimulating growth hormone) to musical notes (440hz is "associated with collarbones") to above human hearing (38khz is "used for bringing energies from other dimensions"). A few listings from the site:
Perhaps a new sample library is needed for healing frequencies. Play yourself to good health. Grant and his contrabass low-frequency rumblings must be feeling good.
0.1-1 Organ/muscle resonances [SS]
0.1-3 Delta range, according to [NEU+CRI] - deep sleep, lucid dreaming, increased immune functions, hypnosis [NEU];
0.16 - 10 - Neuralgias [AT]
0.20 - 0.26 - Dental pain [AT]
0.20 - 10 - Post-traumatics [AT]
0.28 - 2.15 - Alcohol addiction [AT]
0.28 - 10 - Arthritis [AT]
0.30 - 0.15 - Depression [AT]
0.30 - 10 - Cervobrachial syndrome [AT]
0.37 - 2.15 - Drug addiction [AT]
0.40 - 10 - Confusion [AT]
0.45 - 10 - Muscle pain [AT]
Below 0.5 - Epsilon range, extraordinary states of consciousness, high states of meditation, ecstatic states of consciousness, high-level inspiration states, spiritual insight, out-of-body experiences, Yogic states of suspended animation.