80687
He also advocated this system as a means of understanding and analyzing the harmonic structure of other music , claiming that it has a broader reach than the traditional Roman numeral approach to chords ( an approach that is strongly tied to the diatonic scales ) .
 Roman
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Roman