Conversation so far:
Did Carl Nielsen have a hard time in his early years?
Nielsen was born on 9 June 1865, the seventh of twelve children in a poor peasant family, at Sortelung near Nørre Lyndelse
When did Carl Nielsen's interest begin in playing violin?
When sick in bed with the measles, Carl Nielsen had tried out on the little violin.

Question: What happened after he tried the violin?
Self-contained rewrite: What happened after Carl Nielsen tried the violin?