Sia is a highly acclaimed Australian singer, songwriter, and music producer. Born in 1975 in Adelaide, she began her career as a singer in the acid jazz band Crisp in the 1990s. Sia gained international recognition with her solo career, known for her powerful vocals and emotive songwriting. She has released multiple successful albums, such as "Some People Have Real Problems" and "1000 Forms of Fear." Sia is also known for her unique style of hiding her face during performances, maintaining a sense of mystery and intrigue. In addition to her own music, she has written hit songs for numerous artists, solidifying her status as a prolific and influential figure in the music industry.