169140
In 1924 he played with Eugene Cook 's Synco Six , and then took over leadership of the band , which played until 1934 , playing mostly in the American South and Midwest , as well as on steamboat s. He left music in the mid-1930s but returned with another band in 1938 .
 American South, Midwest
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 American South, Midwest