PANIC! AT THE DISCO la banda del cantante Brendon Urie ha dado forma a la canción principal de Frozen 2, titulada «Into the unknown» que cierra los créditos del film. Ya en septiembre anunciaron su incorporación al track list del que ya conocemos todos los grupos y canciones:
1. “All Is Found,” performed by Evan Rachel Wood
2. “Some Things Never Change,” performed by Kristen Bell, Idina Menzel, Josh Gad and Jonathan Groff
3. “Into the Unknown,” performed by Idina Menzel (feat. AURORA)
4. “When I Am Older,” performed by Josh Gad
5. “Reindeer(s) Are Better Than People (Cont.),” performed by Jonathan Groff
6. “Lost in the Woods,” performed by Jonathan Groff
7. “Show Yourself,” performed by Idina Menzel and Evan Rachel Wood
8. “The Next Right Thing,” performed by Kristen Bell
9. “Into the Unknown,” performed by Panic! At the Disco (end credits)
10. “All Is Found,” performed by Kacey Musgraves (end credits)
11. “Lost in the Woods,” performed by Weezer (end credits)