Kaisei-gaku

…In 838, he accompanied the Japanese envoys to Tang China as the chief of the Japanese missions, but the following year, the ship he was returning home to was washed ashore in the “Treason Land of the South Seas” (location unknown), where he was killed. It is said that more than a dozen pieces, including Jowagaku, Qingshanggaku, and Kaisei-gaku, were composed by the Qingshang. Among them, Jowagaku was composed by imperial order at the Chrysanthemum Banquet, and the year was used as the title of the piece. …

*Some of the terminology that refers to "Kaiseiraku" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…838年，遣唐音声長として遣唐使に従って入唐したが，その翌年帰国の船が〈南海の賊地〉(場所不明)に漂着，そこで殺されたという。承和楽，清上楽，海青楽など十数曲は清上の作曲と伝える。中でも承和楽は，菊の宴のとき，勅命により作曲し，年号が曲名にされたもの。…

※「海青楽」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報