Conversation so far:
What happened in 2000 to Cyndi Lauper?
In 2000, Lauper co-wrote the song If You Believe with Faye Tozer of the British pop group Steps, for the band's third studio album, Buzz.
How did If You Believe by steps do?
When did Cyndi Lauper become a mother?
On November 19, 1997
Did Cyndi Lauper have a boy or girl?
Lauper gave birth to her son Declyn Wallace Thornton
How did motherhood affect Cyndi Lauper?

Question: What was Sisters of Avalon?
Self-contained rewrite: What was Sisters of Avalon?