Anti is the eighth studio album by Barbadian recording artist Rihanna, released on January 28, 2016, through Westbury Road and Roc Nation. The singer began planning the record in 2014, at which time she left her previous label Def Jam and joined Roc Nation. Work continued into 2015, during which she released three singles, including the internationally acclaimed "FourFiveSeconds" they were ultimately removed from the final track listing. The record was made available for free digital download on January 28 through Tidal and was released to online music stores for paid purchase on January 29. Anti is scheduled to be released to physical retailers on February 5. As executive producer, Rihanna collaborated with producers including Jeff Bhasker, Boi-1da, DJ Mustard, Hit-Boy, Brian Kennedy, Timbaland and No I.D. to achieve her desired sound. Their efforts resulted in a primarily R&B album it features guest vocals from longtime collaborator Drake and new partner SZA. "Work" was released as the lead single from the record on January 27, 2016. The album will be promoted with the upcoming Anti World Tour, scheduled to begin in February 2016.