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The Choir has appeared on several recording by artists such as Aretha Franklin , Kansas , Elton John and Arlo Guthrie .
 Aretha Franklin, Elton John, Arlo Guthrie
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Aretha Franklin, Elton John, Arlo Guthrie