Sia Kate Isobelle Furler, referred to mononymously as Sia, is an Australian singer, songwriter, record producer and video music director. 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 in Australia. She then moved to London, England, and provided lead vocals for the British duo Zero 7.