A new Update File (Data Pack 3.01 & Patch 1.03.01) was released on 01/31/2019.
See the following for more information.

■ Other Updates
• We have removed several songs from the game temporarily due to unforeseen circumstances . These songs will be returned to the game's soundtrack once all relevant issues have been resolved.

We apologize sincerely for any inconvenience caused.

Where Ideas Sing ft. Daoud / Saba
The Man / The Killers
Stop Me / WΩLF BLACK
Fire / Anna of the North