The Shamisen: Japan's Three-String Instrument Explained

The shamisen (三味線) is a three-stringed Japanese lute. It has a long, fretless neck, a small square body covered with skin, and it is played with a large, fan-shaped plectrum called a bachi. Its sound is bright, percussive and slightly buzzing — and for four hundred years it has been the voice of Japanese storytelling, from the kabuki stage to the puppet theatre to the tea houses of Kyoto.

I first met the shamisen in a book, not a concert hall: Shunkin, the heroine of Tanizaki's Portrait of Shunkin, is a blind master of the koto and the shamisen in old Osaka. After that, I couldn't stop listening.

Where does the shamisen come from?

The shamisen's ancestor is the Chinese sanxian, a three-stringed lute. It travelled to the Ryukyu Kingdom (today's Okinawa), where it became the sanshin, covered with snakeskin. In the 16th century it arrived in the port of Sakai, near Osaka, and Japanese musicians rebuilt it: a longer neck, cat or dog skin instead of snake, and the big bachi borrowed from the biwa lute.

The name means "three flavour strings" — 三 (three), 味 (taste), 線 (string).

How is the shamisen played?

Three things make the shamisen sound unlike any Western string instrument.

No frets. The player finds every note by ear and by feel, sliding between tones with small, expressive bends.
The bachi. The plectrum strikes the string and the skin at the same time, so every note is half melody, half drum.
Sawari (さわり). The lowest string is set to touch the neck slightly, producing a deliberate buzz — the same idea as the buzzing jawari of the Indian sitar. That buzz is the shamisen's signature: it makes even a single note shimmer.

What are the different types of shamisen?

Shamisen are grouped by the thickness of the neck, and each fits a different kind of music.

Hosozao (細棹), thin neck — light and agile. Used for nagauta ("long songs"), the music of kabuki, and for the songs of geisha and maiko.
Chūzao (中棹), medium neck — warmer and more lyrical. Used for jiuta, refined chamber music often played together with the koto, and for many folk songs.
Futozao (太棹), thick neck — deep and powerful. Used for gidayū, the narrative music of bunraku puppet theatre, and for Tsugaru shamisen.

Tsugaru shamisen comes from the Tsugaru region of Aomori, in the far north of Honshu. Blind itinerant musicians played it to earn a living, and it grew into a fast, fierce, almost improvised style — closer to a rock solo than a court melody. It is the style most people abroad recognise today, thanks to players like the Yoshida Brothers.

Why is the shamisen so important in Japanese theatre?

In bunraku, the puppet theatre, a single chanter (tayū) voices every character while a futozao shamisen player sits beside him. The shamisen doesn't just accompany: it carries the emotion, the weather, the footsteps, the tension before a tragedy.

In kabuki, the nagauta ensemble marks entrances, sharpens gestures and holds the dramatic pauses. The silence after a hard strike of the bachi can be the most dramatic moment of the scene — a perfect example of ma (間), the meaningful pause.

And in the world of the geisha, playing the shamisen was — and still is — one of the core arts, a sign of training and cultural literacy.

What does the shamisen teach about Japanese aesthetics?

Its pared-down form is pure shibumi: three strings, no frets, nothing extra, and yet endless expression. Its slightly rough, buzzing tone is close to wabi-sabi — imperfection as honesty. And its use of silence is ma. These ideas are not abstract when you listen to it; they are audible. Each note holds both presence and absence.

Is the shamisen still played today?

Very much. Alongside the classical schools, modern musicians bring the shamisen into jazz, rock, film scores and electronic music, and Tsugaru shamisen competitions fill concert halls in Japan. It has never become a museum piece, because its sound still speaks to contemporary emotion.

Listening to the shamisen as a quiet practice

In a fast, loud world, the shamisen is a good teacher of attention. Try listening to a slow jiuta piece with nothing else running — no phone, no reading. Notice the space between the strikes, the bend of the notes, the buzz fading out. It is a few minutes of meditation that doesn't feel like one. (If you want more, I gathered my favourite Japanese music for meditation and focus in a separate piece.)

The shamisen endures because it is more than an instrument. It is a narrator, a historical witness and a vessel of memory. When expression is stripped of excess, only what is true remains — and that is why its sound still commands attention, not through volume but through clarity.

Frequently asked questions

How many strings does a shamisen have?

Three. The strings are traditionally silk; today many players use nylon or tetron, which are more durable.

What is the difference between a shamisen and a koto?

The shamisen is a lute: you hold it and pluck three strings with a plectrum. The koto is a long zither that lies on the floor, with thirteen strings plucked with finger picks. They are often played together in jiuta chamber music.

Is the shamisen hard to learn?

The basics are learnable in a few months, but the lack of frets means intonation takes years to master. Many people start with a nylon-skin practice instrument and a teacher from one of the traditional schools.