Maillart, Pierre, Franco-Flemish music theorist; b. Valenciennes, 1551; d. Tournai, July 16, 1622. He was a chorister at the Flemish chapel in Madrid (1563–70), where he studied with its director, Jean Bonmarché. He then entered the Univ. of Louvain (1572), and was later in Antwerp (1574) and Tournai (1581), where he became phonascus (singing master) in 1581, and later canon (1589) and chantre (1606) at the Cathedral. He pubi. Les tons, ou discours, sur les modes de musique, et les tons de l’église, et la distinction entre iceux(Tournai, 1610; reprint, 1972).
—Nicolas Slonimsky/Laura Kuhn/Dennis McIntire