Changelings is a book published in 2005 that was written by Anne McCaffrey and Elizabeth Ann Scarborough.
Killashandra thought her world had ended when she was told she would never become a concert singer.And then she met the stranger from off-world.He said he was a Crystal Singer - one of the unique ones of the Galaxy - and when Killashandra tried to find out what a Crystal Singer was the answers were vague, obscure.All …
As willful as her mother, The Rowan, ever was, and possessing unimaginable powers, Damia defies her family's attempts to tame and train her--only to bond with Afra Lyon, a Talent who serves The Rowan, and who becomes the object of her affection.