Connecting a laptop/desktop/xbox with media center....

My laptop has media center 2005 on it, my desktop has windows xp home, and I
own an xbox 360. All of my music is on my desktop so I am trying to add
music to media center on my laptop over my wireless network. Media center
will add all of my files ( a lot ) but then there is nothing there, all
albums show 'unknown album'. And when I connect with my xbox, I get albums
that I've never seen before.... I have tried adding and removing shared
network folders several times, always with the same results. Just wondering
1) has anybody tried this? and 2) is it possible?

Thanks!