is an anthology of '' imayō'' 今様 songs. Originally it consisted of two collections joined by Cloistered Emperor Go-Shirakawa: the ''Kashishū'' 歌詞集 and the ''Kudenshū'' 口伝集. The works were probably from the repertoire of the Emperor's tutor, the aged singer Otomae, whose superlative mastery of the art derived from four generations of teachers. Only a fragment (about 10%) of this work is still extant. These songs were very popular in the 12th century

Japan Japan is an island country in East Asia. Located in the Pacific Ocean off the northeast coast of the Asia, Asian mainland, it is bordered on the west by the Sea of Japan and extends from the Sea of Okhotsk in the north to the East China Sea ...

, but quickly fell into disuse in the

Kamakura period The is a period of History of Japan, Japanese history that marks the governance by the Kamakura shogunate, officially established in 1192 in Kamakura, Kanagawa, Kamakura by the first ''shōgun'' Minamoto no Yoritomo after the conclusion of the G ...

.Earl Roy Miner, Hiroko Odagiri, and Robert E. Morrell (1985). ''The Princeton companion to classical Japanese literature.'' Princeton, N.J. : Princeton University Press. (p. 221).

Notes

Japanese poetry anthologies Late Old Japanese texts Heian period in literature 12th-century books Japanese Buddhist texts {{japan-culture-stub