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After its release , the band changed directions and decided to release an acoustic album , although , as recording progressed , the music took more of a electronic sound as well , resulting in a sound so different from past albums that the band opted to release it under a pseudonym , Life On Planet 9 , on their album Bittersweet in 2011 .
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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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