The process for adding new visuals to UMP is streamlined in the latest versions (1.7.2 and above):

A resource pack in UMP is a collection of textures and color configurations that define how MIDI data is visualized. Standard UMP installations come with three sample packs, but the community has expanded this into an ecosystem of high-performance visuals.

Whether you are participating in a or simply archiving complex musical arrangements, the right resource pack transforms UMP from a simple utility into a powerful creative suite. Ultralight MIDI Player - UMP - FC2

: Navigate to the Resource Pack Dialog . This menu has been recently updated to show "broken" packs rather than crashing, allowing you to troubleshoot incompatible files without restarting the software.

When applying a resource pack, UMP uses different "renderers" to display the data. Your chosen pack will behave differently depending on the mode: