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The videos in particular have spread virally and have garnered much attention , and the project is notable not only for its artistic multimedia output , but also the creators ' leveraging of YouTube and viral video s to disseminate their music and music videos .
 organization: YouTube
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: YouTube 
Answer:
 organization: YouTube