24080
He was a founder of the Texas blues sound and an important influence on other blues singers and guitarists , including Lead Belly and Lightnin ' Hopkins .
 Texas, Lead Belly, Lightnin ' Hopkins
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Texas, Lead Belly, Lightnin ' Hopkins