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After success as a child singer , Harper recorded her first album , Toni , for Verve Records in 1955 , with the Oscar Peterson trio .
 Harper, Toni, Verve Records, Oscar Peterson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Harper, Toni, Verve Records, Oscar Peterson