Justin Timberlake isn't the only artist tethering a new single to an animated film this summer: Sia has covered the Nat King Cole standard "Unforgettable" for the upcoming Finding Dory, the long-awaited sequel to the Pixar hit Finding Nemo.
The "Chandelier" singer debuted her rendition of the classic Friday on Ellen; host Ellen DeGeneres provides the voice of the title character in the film. "When I asked our next guest to sing the theme song to Finding Dory, I was thrilled that she said yes," DeGeneres told the crowd before introducing Sia, who faithfully interprets Cole's 1952 single with a sweeping, orchestral rendition of her own.
After the performance, DeGeneres talked about the singer's upcoming tour, her first full-scale trek in five years as well as the "Unforgettable" cover. "Dory's story makes me teary," Sia said. To help lighten the mood, DeGeneres then alerted her studio audience that they were being given tickets to Sia's upcoming concert at the Hollywood Bowl.