Conversation so far:
Who wrote the song I'm So Glad
I'm So Glad is a Delta blues-style song originally recorded by American musician Skip James in 1931.
who is skip james
Nehemiah Curtis Skip James was an American Delta blues singer, guitarist, pianist and songwriter.
what was skip james known for
His guitar playing is noted for its dark, minor-key sound, played in an open D-minor tuning with an intricate fingerpicking technique.

Question: did the musician impact blues
Self-contained rewrite: how did skip james impact blues music