François Andrieu was a composer, most likely French

France

The French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...

, of the late 14th century. Nothing is known about him except that he wrote an elegy on the death of Guillaume de Machaut

Guillaume de Machaut

Guillaume de Machaut was a Medieval French poet and composer. He is one of the earliest composers on whom significant biographical information is available....

 (1377), a four-voice ballade

Ballade

The ballade is a form of French poetry. It was one of the three formes fixes and one of the verse forms in France most commonly set to music between the late 13th and the 15th centuries....

 Armes amours / O flour des flours, which is contained in the Chantilly Codex

Chantilly Codex

The Chantilly Codex is a manuscript of medieval music containing pieces from the style known as the Ars subtilior. It is held in the museum at the Château de Chantilly in Chantilly, Oise....

. He also may be tentatively identified as the Magister Franciscus, composer of two other ballades from approximately the same time, though the link can only be made by stylistic similarities.

His music belongs to that portion of late medieval

Medieval music

Medieval music is Western music written during the Middle Ages. This era begins with the fall of the Roman Empire and ends sometime in the early fifteenth century...

 musical practice known as the ars nova

Ars nova

Ars nova refers to a musical style which flourished in France and the Burgundian Low Countries in the Late Middle Ages: more particularly, in the period between the preparation of the Roman de Fauvel and the death of the composer Guillaume de Machaut in 1377...

.