The differences between Old-Roman, Ambrosian, Aquileian, Gallican, and Hispanic chant, and their interconnections with each other and the Gregorian chant occupied Michel Huglo in his early career, although he returned to these questions in the 1980s and 1990s. The present volume, the second in the set of four to be published in the Variorum series, brings all this work together. Huglo's 1954 article, the first to describe the sources for Old Roman chant, recognized as distinct from Gregorian chant, is of primary significance for the historiography of Western plainchant, because it opened the...

This is the third in a set of four collections of articles by Michel Huglo to be published in the Variorum series. It brings together the studies of Gregorian chant and of later monophonic and polyphonic additions to the earlier repertory that occupied Huglo in the second phase of his research. Represented here are articles on the Kyrie, the introit tropes of St-Gall, an elegy for William the Conqueror (d. 1087), the versus by Venantius Fortunatus for the cathedral of Paris, the liturgical dramas of Fleury, early organum, the Mass of Tournai, and, finally, the Requiem by Eustache Du Caurroy....

The origin and development of Western plainchant, and of the genres of liturgical book in which it is recorded, have occupied Michel Huglo throughout his long career, which has taken him to libraries in every corner of Europe and the United States. This volume, the first in a set of four to appear in the Variorum series, brings together analyses of manuscripts dating from the 9th to the 13th century, including Huglo's pathbreaking studies of the antiphoner of Compiegne, the first troper-prosers, and of alleluia lists as clues to place of origin. The consequences of the Treaty of Verdun (843)...