Fix: This is a rarity but happens with corrupted base NSPs. Verify your dump against Redump.org or source from a different release group. The audio in Final Bar Line uses 5.1 LPCM; ensure your Switch audio settings are set to “Stereo” if connected via HDMI.
Here is the complete breakdown of the story, content, and post-release support (DLC/Updates) for Theatrhythm Final Bar Line on Nintendo Switch. theatrhythm final bar line switch nsp update dlc