1. Download from http://havardk.xmms.org/dist/xmms-1.2.7-rh8-rh9-rpm/
2. Install it
3. logout
4. login
5. run 'xmms'
6. have fun
Step 3 and Step 4 is normally ignored by many articles in internet, but it's important.
I spend hours to study why this patch does not work, until I decide to logout and login again.