Solage

Solage (fl. late 14th century; or Soulage), possibly Jean So(u)lage, was a French composer, and probably also a poet. He composed the most pieces in the Chantilly Codex, the principal source of music of the ars subtilior, the manneristic compositional school centered on Avignon at the end of the century.

From Wikipedia, released under the terms of the CC-BY-SA license.