exaile output error

[mike@solo ~]$ exaile
Traceback (most recent call last):
  File "exaile.py", line 69, in ?
    from xl import *
  File "/usr/local/share/exaile/xl/tracks.py", line 18, in ?
    import common, media, db, config, trackslist
  File "/usr/local/share/exaile/xl/media/__init__.py", line 1, in ?
    from xl.media import mp3, ogg, flac, wav
  File "/usr/local/share/exaile/xl/media/mp3.py", line 1, in ?
    import mutagen, mutagen.id3, mutagen.mp3
ImportError: No module named mutagen
[mike@solo ~]$