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In 2011 he has released the highly acclaimed book " Das etwas andere Handbuch or How to pimp my Übungsraum " including tips and tricks and explanations about how to record your band in your rehearsal room .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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