1. Download this: https://dl.dropbox.com/u/54466069/Client_NewYears2012.zip
and put it in add-ons
2. Download music here and unzip to the music FOLDER (all the .oggs should be in add-ons/Music). Do NOT put the Music.zip directly in add-ons, copy its contents to the music folder already in add-ons
https://dl.dropbox.com/u/54466069/Music.zip

3. Type this into console and join!
NY2012_syncMusicFiles();