Starting with excellent GUI (gotta say the truth even if I hate it)... very user friendly and comes with a lot of useful features as well.
*. Playlist-album management.
*. Fully customizable options window and plays all the audio codes without any hassle at all.
If you use Ubuntu then you can easily install Songbird by using the below command.
sudo add-apt-repository ppa:songbird-daily/ppa
sudo apt-get update
sudo apt-get install songbird