3256
in 1922 ; Irving Mills wrote the lyrics and Cliff Friend composed the music .
 Irving Mills, Cliff Friend
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 Irving Mills, Cliff Friend