5800
Celine Dion , Andrea Bocelli , Lady Gaga , Lang Lang , John Legend perform ".. . {{URL}} via {@YouTube@} mooi # kippevel
 Celine Dion, Andrea Bocelli, Lady Gaga , Lang Lang, John Legend perform, YouTube, kippevel
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: group, creative work, person, event, product, location, corporation 
Text: {0} 
Answer:
 Celine Dion, Andrea Bocelli, Lady Gaga , Lang Lang, John Legend perform, YouTube, kippevel