Francesco Landini

Wikipedia: Francesco degli Organi, Francesco il Cieco, or Francesco da Firenze, called by later generations Francesco Landini or Landino(c. 1325 or 1335 – September 2, 1397) was an Italian composer, organist, singer, poet and instrument maker. He was one of the most famous and revered composers of the second half of the 14th century, and by far the most famous composer in Italy.