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In fact he sometimes combined both functions ; he can be heard on records made as late as 1928 for the Columbia Graphophone Company , singing Lieder by Schubert and Schumann to his own accompaniment .
 organization: Columbia Graphophone Company; person: Schubert; person: Schumann
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 organization: Columbia Graphophone Company; person: Schubert; person: Schumann