SOS is the second studio album from Grammy award winning singer SZA, and the follow up to 2017s major label debut album Ctrl. The genre-blending album contains elements of pop, R&B, soft-rock, gospel, and hip-hop. SOS features guest appearances from Travis Scott, Don Toliver, Phoebe Bridgers, and the late Ol Dirty Bastard. SZA worked with a variety of hitmaking producers including Ctrl collaborators ThankGod4Cody and Carter Lang, along with Jeff Bhasker, Rob Bisel, Benny Blanco, Kenny “Babyface” Edmonds, Emile Haynie, Rodney “Darkchild” Jerkins, Jay Versace, and more.