It was released on December 16, 2016 as a single from Gotti's 2016 mixtape White Friday (CM9).
[1] The song's title is a reference to Cuban leader Fidel Castro, who died within the same month of its release.
[2] Prior to "Castro" being released, West was with Gotti in Los Angeles when premiering his "Saint Pablo" record.
[3] Tom Breihan of Stereogum described the track as 'a skittery, synthetic banger' and showed disappointment in West's feature when writing: 'Does a song like this make you feel any better about Kanye West right now?
[5] "Castro" charted at number 16 on the US Billboard Bubbling Under Hot 100 on January 14, 2017, around a month after having been released as a single.