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Born in Sinking Spring , Pennsylvania , Specht was a violinist , having been taught by his father Charles G. Specht , a violinist , organist , and bandleader in his own right .
 Sinking Spring, Pennsylvania, Specht, Specht
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sinking Spring, Pennsylvania, Specht, Specht