Never mind the fact that uzagaku was never performed again after Ryukyu was incorporated into Japan's prefectural system in 1879. Never mind the destruction during World War Ⅱ of almost all historical records connected with uzagaku, and the fact that the only thing anyone has to go on now is a few desultory notes taken by the king of Ryukyu during a trip to Edo (present-day Tokyo).
比嘉悅子表示，琉球王國在一八七九年被日本「併吞」，御座樂從此不再演奏，有關御座樂的文獻，也在二次大戰美軍登陸沖繩的戰火中焚燬殆盡。