Originally Posted by DisapprovingOwl
Select the game on the ScummVM menu and click "Edit Game". Go to the 'Paths' tab. You'll then want to set the Extra Path to either the CD music folder for the CD version music, or the SE music folder for the Special Edition version's music.
Wonderful, thank you! It's nice to see that the internet isn't always bloody-minded carping, but friendly and helpful people.