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Brunkert played on the group 's first single " People Need Love " , their Eurovision hit " Waterloo " , and consistently on a great many of their recordings throughout the 1970s .
 Brunkert
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Brunkert