Sia Kate Isobelle Furler (born 18 December 1975) is an Australian singer and songwriter. Sia's music incorporates hip hop, funk and soul as a base for her vocal styling. She started her career as a singer in the local Adelaide acid jazz band Crisp in the mid-1990s. In 1997, when Crisp disbanded, she released her debut studio album titled OnlySee on Flavoured Records in Australia. Following the e...