Ok, I know this topic has been beat to death, and I have perused many help files and just can't seem to figure this out.
I have installed xmms without issue and am attempting to install the mp3 decoder using YUM. When I try thought I get the following report:
yum install xmms-mp3
Setting up Install Process
Setting up repositories
updates-released 100% |=========================| 951 B 00:00
extras 100% |=========================| 1.1 kB 00:00
base 100% |=========================| 1.1 kB 00:00
Reading repository metadata in from local files
Parsing package install arguments
No Match for argument: xmms-mp3
Nothing to do