Complex sentence: Honkyoku (本曲) are the pieces of shakuhachi or hocchiku music played by wandering Japanese Zen monks called Komuso, who's temples were abolished in 1871, but who's music, honkyoku, is one of the most popular contemporary music in Japan.
Split into simpler sentences: Honkyoku (本曲) are the pieces of shakuhachi or hocchiku music played by wandering Japanese Zen monks called Komuso. Komuso temples were abolished in 1871 but their music, honkyoku, is one of the most popular contemporary music styles in Japan.