Conversation so far:
What happened during Billie Holiday's life in 1929?
By early 1929, Billie Holiday had joined her mother in Harlem. Their landlady was a sharply-dressed woman named Florence Williams, who ran a brothel at 151 West 140th Street.

Question: What else did they do?
Self-contained rewrite: What else did Billie Holiday and her mother do in Harlem?