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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Amerus ： ウィキペディア英語版 Amerus Amerus (also Aluredus, Annuerus, Aumerus) was a 13th-century English music theorist who lived in Italy. Amerus worked under Cardinal Ottobono Fieschi, who later became Pope Adrian V, and wrote his only known work, ''Practica artis musicae'', while in Fieschi's employ. It is thought that he wrote the text in 1271 at Viterbo, where the papal conclave was held. ''Practica artis musicae'' is an instruction treatise for boys, which explains contemporaneous musical notation systems. The bulk of the work is an explanation of the tonary system as it was used in French, English, and Italian churches. The treatise also discusses the composition of polyphony, which is believed to be the first surviving treatise from Italy to use rhythmic notation. Amerus discusses the ''longa'', ''brevis'', and ''semibrevis'', assigning them in groups of two (rather than three). The work is preserved in the Bamberg Codex, among other places. ==References== *F. Alberto Gallo. "Amerus". ''The New Grove Dictionary of Music and Musicians'' online. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Amerus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.