Conversation so far:
What was the first award Sia recieved?
Sia won the Breakthrough Songwriter category alongside Brisbane pop duo Aneiki's Jennifer Waite and Grant Wallis.
What year did she recieve her first award
At the APRA Awards of 2002, Sia won the Breakthrough Songwriter.
What songs of Sia's were nominated for the Grammy Awards?
At the 57th Annual Grammy Awards, Sia received four nominations for Chandelier: Record of the Year, Song of the Year, Best Pop Solo Performance and Best Music Video.
What groups has Sia worked with?
Sia also provided lead vocals for English downtempo group Zero 7 on their first three studio albums and toured with the group.

Question: Is this the only group she has performed with?
Self-contained rewrite: Is Zero 7 the only group Sia has performed with?