Sound Playback on MS.com

I just uploaded the Finale of Act I., the Anasazi, about 2 days ago to MS.com. ON my MS.org file in my computer, the sound playback has lots of volume (even though with some distortion). However, I always have a weak volume problem with the playback on MS.com. I was told by Thomas Bonte that is in MP-3 sound format?! I have to turn my computer volume to 100% and turn the speakers up also to listen on MS.com. Example, one place in my score has crash cymbals playing on FF dynamic marking. Even that is almost inaudible! The brass is also quite weak in volume. Voices are hardly audible. We all know you can't expect a playback to come close even to an acoustic orchestra etc., but this is extreme. I never have any weak volume problem with other web sites or on MS.org on my PC, so don't understand this on MS.com.
If anyone would like to try my link below , go ahead. However, this link is from my PC file, so may sound OK. Trying Act. I. Finale/Conclusion Hudson/Opera/ Anasazi on MS.com would be a better test. If someone has time/incllination to do this, I would appreciate it. Del