Witness is the fifth studio album by American singer Katy Perry. It was released on June 9, 2017, by Capitol Records. After releasing Prism and touring in 2014–2015, she went on hiatus to protect her mental health and to return afresh. For the album, Perry worked with numerous producers, including Jeff Bhasker, Mark Crew, Duke Dumont, Jack Garratt, Oscar Holter, Illangelo, Ilya, Max Martin, Ali Payami and Shellback. The album features guest appearances from Nicki Minaj, Skip Marley, and the Migos. Witness is an electropop album that delves into dance-pop and EDM genres, with lyrics on self-empowerment and feminism. Perry described it as an album of "liberation" and "purposeful pop". Five singles aided Witness, out of which, three were released before the album and one reached the top-ten of the Billboard Hot 100 chart: the lead single, "Chained to the Rhythm" featuring Skip Marley, peaked at number four on the Hot 100. "Bon Appétit" featuring Migos peaked at number 59, while "Swish Swish" featuring Nicki Minaj reached number 46. From Wikipedia (https://en.wikipedia.org/wiki/Witness...) under Creative Commons Attribution CC-BY-SA 3.0 (https://creativecommons.org/licenses/...)