Additional
Information: Italian composer and theorist Marchetto da Padova (b. 1274?; fl. 1305-26) is best known for his treatises Lucidarium and Pomerium.
Marchetto da Padova
Biography emphasizing his work as a theorist from the Grove Concise Dictionary of Music entry at WQXR radio. http://www.wqxr.com/cgi-bin/iowa/cla/learning/grove.html?record=5741
MTO 4.6: Practical Aspects of Marchetto's Tuning
Detailed study by Jay Rahn for Music Theory Online with abstract, notes, diagrams, and RAM audio examples. http://www.societymusictheory.org/mto/issues/mto.98.4.6/mto.98.4.6.rahn.html