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Produced mostly by Tom Dowd , " Idlewild South " was released in August 1970 and broke new ground for them by getting into the " Billboard " charts .
 person: Tom Dowd; organization: Billboard
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Tom Dowd; organization: Billboard