45281
Chords of the ninth and eleventh and unresolved appoggiaturas , such as those in the " Valses nobles et sentimentales " , are characteristic of Ravel 's harmonic language .
 Ravel
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ravel