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From singing into a microphone in his dad 's studio at age 3 , to getting a mini drum kit at age 5 in addition to some exposure to piano through his brother , Daniel Ferguson , then eventually a borrowed acoustic guitar at age 12 , synthesizers and drum machines at 14 , Bryan discovered the instruments that would create music in his own developing studio .
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Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities:  
Answer:
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