Conversation so far:
what was debby boone's, "you light up my life"?
The song became the biggest hit of the 1970s.
did it make it to the top charts?
spending ten consecutive weeks at No.
1 on the Billboard Hot 100.
what did she do after this song success?
Boone's overnight success led to a tour with her father and frequent television appearances.

Question: what was her greatest accomplishment?
Self-contained rewrite: What is considered to be Debby Boones greatest accomplishment?