Question: Stargate is a Norwegian record producing and songwriting team composed of Tor Erik Hermansen, and Mikkel Storleer Eriksen, and have produced and written or only produced for stars including which Australian singer-songwriter, record producer and music video director, and started her career as a singer in the local Adelaide acid jazz band Crisp in the mid-1990s?
Related documents: [0]  [DOC] Stargate is a Norwegian record producing and songwriting team composed of Tor Erik Hermansen (born 14 October 1972) and Mikkel Storleer Eriksen (born 10 December 1972), based in Los Angeles, but they were based in New York City for almost a decade. The team's genres include R&B, pop and hip hop. Stargate was established in Trondheim, Norway. They have produced and written or only produced for Britney Spears, Beyoncé, Rihanna, Janet Jackson, Mariah Carey, Shakira, Jennifer Lopez, Mary J. Blige, Katy Perry, Coldplay, P!NK, Sia, Kylie Minogue, Lionel Richie and others. [END] 
[1]  [DOC] Sia Kate Isobelle Furler ( ; born 18 December 1975) is an Australian singer-songwriter, record producer and music video 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. [END] 
Answer: 
Sia
Sia