52950
Also the composite sinusoidal modeling ( CSM ) used on a singing speech synthesis feature on Yamaha CX5M ( 1984 ) , is known to use a similar approach which was independently developed during 1966&ndash ; 1979 .
 Yamaha CX5M
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Yamaha CX5M