The greatest

"The Greatest" is a song in the key of B minor originally performed by the Australian singer-songwriter Sia. It was released as the lead single from her seventh studio album, "This Is Acting," in 2016. Sia co-wrote the song with Greg Kurstin, who also produced it. The track serves as a tribute to the victims of the Pulse nightclub shooting in Orlando, Florida. It features vocals from Kendrick Lamar in the version released on the deluxe edition of the album. In terms of the melody, "The Greatest" showcases Sia's distinct vocal style, characterized by powerful and emotive delivery. The song combines elements of pop and electronic music, with its anthemic chorus and catchy hooks.