I believe the answer is Flemish.
Guillaume Du Fay was a Franco-Flemish composer of the early Renaissance. A central figure in the Burgundian School, he was regarded by his contemporaries as one of the leading composers in Europe in the mid-15th century. In his music he created the characteristic style of the Burgundian composers that links late medieval music with the style of later Franco-Flemish composers of the renaissance.
The answer is:
<span>They show rivers, lakes, bays, and seas.
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They use shade or bright colors to make it look better
