It\'s 『 Ukiyoe Fantasy music 』. Higly creditted band by Atsushi Kubo & Yoshitaka Fujimoto & Tsubasa Ohta . 『Waveringly and Lightness』Nuance　music . Sakamoto Ryūichi　said 『It is music that the Thom Yorke and Steve Reich made.』(track 4) Work that used technique of contemporary music.