Installation Guide: You can get Ultima Underworld Unity ("UnderworldExporter" by Hank Morgan) here: https://github.com/hankmorgan/UnderworldExporter/releases (This download link leads directly to the ZIP file you need - version 1_09 is the newest release to my knowledge: https://github.com/hankmorgan/UnderworldExporter/releases/download/V1.09/Windows.x64.V1_09.zip) Extract the ZIP file Download this mod (Ultima Underworld Unity Music) and extract folder "UW1music" Go inside the "UnderworldExporter" folder and open 'config.ini' in an editor. Under ";Path Options" put the complete path to your original Ultima Underworld: The Stygian Abyss files next to "Path_UW1=". E.g.: "Path_UW1=E:\Games\GOG Galaxy\Ultima Underworld\game\UW\" (If you are using the GOG.com version extract the "game.gog" to a new folder and point to that instead. See readme of "UnderworldExporter".) Under ";Music" put the complete path to the "UW1music" folder next to "UW1_Soundbank=" E.g.: "UW1_Soundbank=E:\Games\UWE\UW1music\" Use "Underworld Exporter.exe" to start the game (If you run into problems you can check out this in-depth video guide "Ultima Underworld Unity | How to Install" by the YouTube channel "Looking Glassed": https://www.youtube.com/watch?v=Qt9kPzDRL2Q) Original score by George Sanger and Dave Govett ©1992 Origin Systems This version is Copyright ©2021 Pieces of 8-bit Where applicable, All Rights Reserved https://www.youtube.com/c/Piecesof8bit