According to Hika Etsuko, director of the Okinawa Inter national Convention Center and the person in charge of the Shuri Castle restoration project, uzagaku is a type of court music learned in China during the 400 years in which the Ryukyu kings sent tribute missions to the Ming and Qing courts.
負責首里城復原計畫的沖繩國際會議中心館長比嘉悅子表示，所謂的「御座樂」，是琉球王國的使節團到明清朝貢時前後習得的宮廷音樂。