It was mainly composed by Kristen Anderson-Lopez and Robert Lopez, in addition to the end credits covers of three of the songs by Panic!

The album was released on November 15, 2019, on digital, CD and vinyl formats,[1] and it consisted of seven songs along with a remix of "Reindeer(s) Are Better Than People" from the original Frozen.

[8][9] Marketing details on the complete tracklist were unveiled on September 30, 2019, which would be released on the following November 15 distributed by Walt Disney Records.

[11] The song "Into the Unknown", sung by Idina Menzel as Elsa with additional vocals by Norwegian recording artist Aurora, has been called the successor of Frozen's "Let It Go".

[11] Lopez also said that "[his and Anderson-Lopez's] tradition of songwriting come from inspirations of the world of musical theater, where songs must always forward the story freshly and surprisingly.

[15] Later in that same month, the Korean versions of "Into the Unknown" were also released, which would be performed by K-pop star and Girls' Generation member Taeyeon.