I copped this idea from a thread on the Mount & Blade forums.
I feel like no one actually listens to the music people post in the music thread, so I thought this might be a good idea. Very simple, just listen to the song in the lastest post, rate it, and post your own.
I'll start with a crowd pleaser
Public Service Broadcasting - Spitfire
https://www.youtube.com/watch?v=_u4Md_aXVJE