Conversation so far:
How many strings did Lead Belly's guitar have?
Lead Belly usually played a twelve-string guitar, but he also played the piano, mandolin, harmonica, violin, and windjammer.
What kind of music style did Lead Belly play?
Lead Belly was an American folk and blues singer.
Was Lead Belly ever married?
The 1910 census of Harrison County, Texas, shows Hudy Ledbetter living next door to his parents with his first wife, Aletha Lethe Henderson.

Question: Who popularized his playing style?
Self-contained rewrite: Who popularized Lead Belly's playing style?