Conversation so far:
what led Hank Snow to Nashville?
Snow moved to Nashville, Tennessee, in 1945, and "Hank Snow, the Singing Ranger" .
Where did he get his start in Nasville?
His first release in the United States, "Marriage Vow" climbed to number ten on the country charts in the fall of 1949.

Question: What was his most popular song?
Self-contained rewrite: What was Hank Snow's most popular song?