This lesson is essential for any player wanting to achieve a higher level of tone control. There is a very important element to shamisen playing which, though is subtle, greatly separates a beginner's tone from a professional-level tone. I'm talking about the element of Note Isolation. It's not that difficult, but simply takes time, awareness and comfort to get achieve. The sooner you become aware of it, the faster your tone will improve over time.
If you are wishing to enhance your tone, you need to learn this incredibly valuable skill!