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        Medieval 1098-1179 German sequence an abbess, writer, painter |  
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        Medieval fl.1150s-c.1201 French Notre Dame Organum 	-Latin, sacred, uses  parallel intervals, chant in bottom voice 	-wrote Viderunt Omnes |  
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        Term 
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        Definition 
        
        Medieval fl.c.1200 French Notre Dame Organum 	-Latin, sacred, uses  parallel intervals, chant in bottom voice 	-wrote Viderunt Omnes |  
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        Term 
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        Definition 
        
        Ars Nova c. 1300-77 French Formes Fixes Chansons  Isorythmic Motets  First complete polyphonic setting of  the Ordinary of the Mass Worked as secretary to King  John of Luxembourg |  
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