Dark Horse

"Dark Horse" is a popular song by American singer Katy Perry, which is originally recorded in the key of B flat minor. Released in 2013 as the third single from her album "Prism," the track combines elements of pop, trap, and hip hop genres. It features rapper Juicy J, who contributes a guest verse. The song was written by Katy Perry, Juicy J, Dr. Luke, Max Martin, and Cirkut. In terms of trivia, "Dark Horse" became Perry's ninth number-one hit on the Billboard Hot 100 chart, making her the first female artist to achieve this feat in the 2010s decade. The melody of the song is characterized by a catchy and darkly seductive tone, accompanied by strong basslines and eerie synths, reflecting the song's mysterious theme.