Watch The Ondekoza for Free: How to Stream the Movie Online at 123Movies. . A documentary profiling a Japanese taiko drumming group based in the remote Sado Island, Japan. The film blurs the line between real-life documentary footage of the troupe's training and practice regimes, and staged performances of their varied musical acts, with sets designed by artist Tadanori Yokoo and an additional experimental electronic music score by Toshi Ichiyanagi.