This is a simple question. I can't seem to get the folder object to acknowledge mp3's. I know it needs to be fed a "Types" message, but I'm not sure what the appropriate abbvreviation for mp3's is. I already tried MPEG and other such variants. What I really want is for the folder object to show all sound files, regardless of format. WAVE and AIFF is no problem, it's the compressed formats that I can't figure out. Nothing specific in the docs about this.
Same question regarding filter types for ubumenu. How to specify compressed audio files in the inspector.