Tunings are based on:
http://koto.sapp.org/dict/tuning/
What is the best way to tune a koto?
Tuning a koto can be done using a variety of methods, but the most common way is as follows:
- Start with the longest string: The koto has 13 strings, so start with the longest string at the bottom of the instrument. Tune it to the desired pitch using a tuning fork, electronic tuner, or another instrument that is already in tune.
- Continue with the other strings: Once the longest string is in tune, continue with the other strings, working your way up the instrument from longest to shortest. You can use the tuned strings as a reference for the ones that follow.
- Check the tuning: Once all the strings have been tuned, play some scales or arpeggios to ensure that the tuning is accurate and that all the strings are balanced in volume and tone.
It's important to note that kotos can be affected by changes in temperature and humidity, so it's a good idea to check the tuning regularly, particularly if you're playing in a different environment than usual.