[CentOS] install mp3gain

Sun Oct 12 08:28:09 UTC 2014
Chris <chris2014 at postbox.xyz>

Dear All,

what's the easiest way to install mp3gain on CentOS 6? I've found it in
the rpmforge repository only. I don't want to add it since there are
many obsolete packages in. Is there any other way?

TIA!

-- 
Gruß,
Christian