[3] It is the band's first album not to feature vocalist Dave Escamilla since their EP Limitless, who departed from the group in January 2017.

[4][5] On June 27, 2019, Rise Records' YouTube channel released a video titled, "Crown The Empire - The Making of the 'Sudden Sky' Album Cover.

"[6] The cover was designed through three-dimensional full-body scans of all the band members, which bassist Hayden Tree described as "making [themselves] seem like an art installation in a 3D, futuristic manner."

In the aforementioned video, guitarist Brandon Hoover explained that each member's poses were direct depictions of the emotions they felt throughout the course of making the album: "Andy [Rockhold] (vocalist, center left)'s always been the one to laugh through all the bullshit, but on the inside he's fighting a lot of demons.

For me (far left), this album felt like free-falling; I had no idea whether we were gonna land on our feet or crash and burn.