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Horowitz first recorded the piece on a piano roll for Welte-Mignon in 1926 and later went on to record it for RCA Records in 1930 , this time as an audio recording .
 Horowitz, Welte-Mignon, RCA Records
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Horowitz, Welte-Mignon, RCA Records