Adele and had originally been intended for Adele's third album. In November, Sia collaborated with composer J. Ralph on the soundtrack of the environmental documentary Racing Extinction, co-writing and singing the song "One Candle". She also released two more songs from the album, "Bird Set Free" and "One Million Bullets". "Cheap Thrills" and "Reaper" were subsequently released as promotional singles for the album. Eventually, the single "Cheap Thrills", featuring Sean Paul, reached No. 1 on the US Billboard Hot 100. Sia released two videos for the song, one of which features Ziegler and two male dancers, while the other, featuring Sean Paul, shows a 1950s style teen dance party; it has accumulated more than 1.7 billion views. In April 2016, Sia gave a widely acclaimed performance at the Coachella Valley Music and Arts Festival that went viral online. Her performance received an effusively positive critical reception as "one of the greatest moments in Coachella's 17-year history", and it was consistently called one of the best performances of the 2016 festival. The performance was her first full concert since 2011. In May 2016, Sia made a surprise appearance on the finale for Survivor: Kaôh Rōng where she donated $50,000 to contestant Tai Trang. She donated another $50,000 to an animal charity of his choice, noting that the two share a mutual love of animals. In June 2016, Sia gave a concert at Red Rocks Amphitheatre in Colorado, featuring Ziegler. From May to August, Sia performed in nearly a dozen festival and other concerts in America and European and Middle Eastern countries, including Portugal, Denmark, Sweden, Finland, Hungary, Romania, Poland, the United Kingdom, Russia, Lebanon and Israel. In September 2016, she released a single, "The Greatest", with vocals from American hip hop recording artist Kendrick Lamar. A video was released the same day featuring Ziegler – the dancer's fifth video collaboration with Sia and Heffington. The two performed the song with several other dancers, and also performed "Chandelier", live the next day at the Apple annual fall event, drawing media attention. The videos that Sia has posted to her YouTube channel have accumulated a total of more than 12 billion views, and the channel has more than 22 million subscribers. Sia gave her Nostalgic for the Present Tour in North America from September to November 2016, featuring Ziegler. As at Coachella and subsequent live performances, Sia appeared at the back of the