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Since his 2008 Grammy success , Elmhirst has been working with a range of artists including the forthcoming tribute to Cy Coleman , a cover album of his songs featuring Fiona Apple , Nikka Costa and Madeleine Peyroux .
 Elmhirst, Cy Coleman, Fiona Apple, Nikka Costa, Madeleine Peyroux
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Elmhirst, Cy Coleman, Fiona Apple, Nikka Costa, Madeleine Peyroux