For anyone who wants to play along, I converted a few more songs for the party and uploaded the files to the Shadowbane web site. They're not Weatherstock quality, but they should be recognizable.
http://file3.guildlaunch.net/165504/Wrytune%20songs.zip
Download and unzip into the LOTRO Music folder. Remember to run SongbookFiller.
If this isn't familiar to you and you want to learn more about how the LOTRO player music system works, let me know. I'd be happy to walk you through the steps.
It is easy to play music that someone has converted to the LOTRO format, but it does involve downloading and placing music files in your LOTRO folder. To manage the many songs and make it easier to play in groups, there is a plugin you will also need to download and install, and a program you need to run to set up the song database. If you're up for it, I can give you the details.