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His first major tour was with a traveling revue called Shake Your Feet , where he met Herbie Cowens ; he then joined Cowens 's own group , playing at the Rockland Palace in New York City in 1928 .
 Herbie Cowens, Cowens, New York City
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Herbie Cowens, Cowens, New York City