Had some discussion with HR about how file and folder permissions need to be handled; she's still working on that on nfs, while we get the netlinks for the other folks that will enable us to use ACLS properly. Meanwhile, a lot more audio has been generated, so I ran my script to generate MP3s, and discovered a bug in it (ffmpeg can't create a file where the containing folder doesn't yet exist). Fixed that, ran the script again, and many MP3s were created and uploaded to the server as intended.