Most modern PC versions require a modding framework called to bypass official modding restrictions.
Unlike official DLC, custom songs are user-generated chart files (.tja format) created by the community. These files dictate exactly when the red and blue notes appear on screen. A "custom song" bundle usually includes: Taiko No Tatsujin Custom Songs Download
Before you download songs, you need a way to play them. The most popular options include: Most modern PC versions require a modding framework