虚無僧尺八の世界 京都の尺八 I 虚空 (The World of Zen Music: Shakuhachi Music From Kyoto I "Koku")

Honkyoku are solo shakuhachi (end-blown bamboo flute) pieces associated with the Komusō, wandering lay Buddhist practitioners from the warrior class who practiced suizen ("blowing meditation"). Developed primarily during Japan’s Edo period, honkyoku emphasize breath, silence (ma), and subtle inflections over fixed meter or virtuosic display. Their sound world features free rhythm, contemplative pacing, microtonal pitch shading (meri/kari), and distinctive tone colors—ranging from pure, bell-like tones to airy, breath-saturated textures (muraiki). Although now performed in concert settings, the repertoire originated as a meditative practice and remains one of the most inward-looking branches of Japanese classical music.