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The three teamed up with singer Sivert Høyem , changed their name to Madrugada and relocated to Oslo shortly after that .
 Sivert Høyem, Madrugada, Oslo
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Sivert Høyem, Madrugada, Oslo