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Along with the American jazz pianist George Letellier , Dahm has also arranged the tunes of Frank Sinatra and the big band era and turned them into philharmonic ensembles with Opus 78 .
 George Letellier, Dahm, Frank Sinatra
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 George Letellier, Dahm, Frank Sinatra