13 years ago, Katy Perry released “Dark Horse” featuring Juicy J. Sarah Hudson joined Katy Perry for a writing session in Perry's hometown of Santa Barbara, drawing inspiration from the 1996 film 'The Craft' to shape 'Dark Horse' around a darker, more mysterious concept than much of her earlier work. Perry and Hudson co-wrote the track alongside producers Max Martin, Dr. Luke, and Cirkut, who handled all of the instrumentation and programming, before Juicy J was brought in afterward to contribute a guest verse. It first surfaced digitally as a promotional single from Perry's fourth studio album, 'Prism,' after fans voted to release it ahead of the album itself. Blending trap, hip-hop, and electropop, the track carries a warning-laced tone, with Perry cautioning a would-be suitor about the risks of falling for her, framed through witchy, cautionary imagery that matched the song's supernatural inspiration. Three months after its digital debut, Capitol Records issued it as the album's t...