These are from the japanese version, so they are not obstructed by voices, though some do have some SFX.
(the urls should be those entire lines - not where the text cuts off)
http://www.squareenixmusic.com/skylark/fftlw/x101 Kusabue A.mp3
http://www.squareenixmusic.com/skylark/fftlw/x102 Kusabue B.mp3
http://www.squareenixmusic.com/skylark/fftlw/x103 Reassume Delita.mp3
http://www.squareenixmusic.com/skylark/fftlw/x104 Ovelia and Delita A.mp3
http://www.squareenixmusic.com/skylark/fftlw/x105 Ovelia and Delita B.mp3
http://www.squareenixmusic.com/skylark/fftlw/x106 Delita Musing.mp3
I'm going to try to get this unreleased track stuff started soon. I thought I'd provide these though since I just got them.