6512
Three years later , at the age of twenty-one , he did arrangements for both John Philip Sousa and Victor Herbert .
 person: John Philip Sousa; person: Victor Herbert
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: John Philip Sousa; person: Victor Herbert