A shamisen (or samisen) is a three-stringed musical instrument played with a plectrum called a bachi.
In the early part of the 20th century, blind musicians, including Shirakawa Gunpachiro (1909-1962), Takahashi Chikuzan (1910-1998), and sighted ones such as Kida Rinshoe (1911-1979), evolved a new style of playing, based on traditional folk songs (but involving much improvisation and flashy fingerwork. This style - now known as Tsugaru-jamisen, after the home region of this style in the north of Honshu - continues to be relatively popular in Japan. The virtuosic Tsugaru-jamisen style is sometimes compared to bluegrass banjo.
(Above from wikipedia)