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When Bernardo Pisano left Florence Cathedral to go to Rome in 1520 , Rampollini took over the job of singing teacher to the boys there ; around this time he may have been Corteccia 's teacher as well .
 Florence, Rampollini, Corteccia
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Florence, Rampollini, Corteccia