shirabeo

This is a Japanese drum kotsuzumi, which is configured with ropes shirabeo.Unlike European musical instruments, custom on unchanging harmony, the Japanese are set for each performance on a special, and sometimes are rearranged based on the same execution of the work.Shirabeo not only keep the lid of the drum in place, but also serve to adjust his tone. The tone changes when the pull on the rope with his left hand while playing the drums right. Shirabeo - a necessary part for the performance of classical Japanese music (for example, in the productions of Noh, Kabuki or the performance of folk music) Until about 1877, when the first professional tuner, used to customize any stretching a rope at hand, now using two, bound Mezhuyev a flax rope, which, once exposed to 25 kinds of processing. Tow used to shirabeo must be flexible, to go back into place after stretching, and soft, so as not to injure the hands of a musician with a long game on the instrument.

[source]: http://community.livejournal.com/ru_japan/