Get to know the tuning fork
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My first tuning fork
Read the article hereSound has a mysterious power and can be useful in everyday life. We would like to introduce you to tuning forks as a means of transmitting such sound.
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Waves and Frequency
Read the article hereSound also has vibrations called sound waves, and each type of sound has its own unique frequency. Sound waves can pass through objects.
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About Harmony Bell
Read the article hereA tuning fork is a tool used to tune musical instruments. Most people may not be familiar with it, so please read the article first.

All-you-can-listen-to audio plan
This plan allows you to listen to all the music developed by RFS for 7 days. First, get in touch with the music and experience the power of sound.
The tuning fork that's right for you
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Pet Relax
Click here for productsIf you can't leave your pet at home alone or have problems with your pet barking, we recommend you try this sound source.
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I want to clean my room
Click here for productsThere are probably many occasions when you will be doing some cleaning, such as a major end-of-year cleaning. This is a sound source that will be especially effective at such times.
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I want to regain my vitality
Click here for productsThis is a recording that we would recommend to anyone who has been feeling unmotivated for days and wants to regain vitality in their daily lives.
Music on sale
Frequently asked questions
What are Harmony Bells?
The tuning fork or cylindrical tool that RFS Research Institute has developed to identify a desired frequency and convert that frequency into sound is collectively called the Harmony Bell.
The name "Harmony Bell" was chosen with the added consideration that speaking the bell brings harmony to people. The beautiful sound and vibrations of the Harmony Bell, with its diverse frequency characteristics, directly penetrate various levels of the body, emotions and thoughts, releasing stress and tension in a short period of time, relaxing the body and mind and bringing clarity to the mind.
What does "RFS" stand for in RFS Research Institute?
The company name is an acronym of Reach For the Star (meaning that humans are born with a life purpose likened to a star, and that we should live it and realize it). All of RFS Institute's programs are created to realize the philosophy of Reach For the Star.
Q: What kind of research does the RFS Research Institute conduct?
We are researching the development of a system that harnesses the power of specific frequencies, developed independently by the RFS Laboratory, in a way that is useful for everyday life.
We aim to create programs that enable people to realize their innate brightness, richness, and vitality, and to contribute not only to individuals, but to society as a whole, and to the global environment.
Do I have to continue with the CDs and sessions?
Both the CD and the sessions are created with a specific purpose in mind. We recommend that you continue until you feel that you have achieved your goal. Once you feel that you have fully achieved your goal, you will naturally feel that you do not need to continue.
Or you may feel like trying a different CD or session than before. You will become aware that "you know yourself best," and your intuition will begin to work, so try to follow your own intuition.
During pregnancy
Harmony Bell sessions are not intended for pregnant women, so in general we do not allow pregnant women to receive or participate in sessions. Although there are individual differences, pregnancy is a time when both the body and mind are unstable, so we believe it is more appropriate for pregnant women to refrain from receiving or participating in sessions.
There are no special restrictions on listening to CDs, so please listen as you please. The CD book "Harmony Bells for Babies and Children to Grow Healthily" (Kodansha) is recommended as it comes with audio that can be used by pregnant women.
Articles about tuning forks
Find the tuning fork that's right for you via LINE
If you tell us your concerns or the problem you want to solve, we will introduce you to the best tuning forks via LINE.