Question: What is the date of birth of the performer of song You'Ve Changed (Sia Song)?
Sentence (from "Sia (musician)"): In 2014, Sia finally broke through as a solo recording artist when her sixth studio album, "1000 Forms of Fear", debuted at No 1 in the U.S. "Billboard" 200 and generated the top-ten single "Chandelier" and a trilogy of music videos starring child dancer Maddie Ziegler.
Relevant evidence: No