Johannes de Muris (c. 1290–1295 – 1344), or John of Murs, was a French mathematician, astronomer, and music theorist best known for treatises on the ars...

Johannes de Muris, and a collection of writings (c. 1322) attributed to Philippe de Vitry often simply called "Ars nova" today. Musicologist Johannes...

Muris is both a given name and a surname. Notable people with the name include: Muris Mešanović (born 1990), Bosnian footballer Timothy Muris (born 1949)...

of solving astronomical problems by al-Bīrūnī (11th century) and Johannes de Muris (14th century). Something equivalent to the spherical law of cosines...

sound fades out. One of its earliest attestations is a 1323 work by Johannes de Muris, where it describes a monochordium as an instrument "with a keyboard...

vigils. 1323 – Guillaume de Machaut becomes secretary to John of Luxembourg, King of Bohemia, 1326 March – Johannes de Muris moves to the double monastery...

1415–1480. Later 15th- and early 16th-century figures in the genre included Johannes Ockeghem and Josquin des Prez, whose works cease to be constrained by formes...

ars antiqua, found in the Speculum Musice of Jacobus and also by Johannes de Muris (the only one to use the exact term ars antiqua), referred specifically...

Hermannus Contractus, Johannes Cotto (Johannes Afflighemensis), Johannes de Muris, Franco of Cologne, Johannes de Garlandia (Johannes Gallicus), Anonymous...

the French musicians of his time, including Johannes de Muris, Philippe de Vitry and probably Guillaume de Machaut. Extremely little is known of Denis...