I figured out how to extract audio from a World Builder sound library yesterday. They’re stored in the resource fork as ASND resources. Sound Mover 1.9.1 can save them as data files: https://macintoshgarden.org/apps/sound-mover Then SoundEdit can convert them to AIFF: https://macintoshgarden.org/apps/sound-edit …Unfortunately the sound quality is quite a bit worse after this process. They sound dull or muffled, like they’re losing the high end. So I guess I’ll stick to playing them in an emulator and capturing the audio.