Traceback (most recent call last):
  File "lcd1.py", line 12, in <module>
    output = subprocess.check_output(['audtool', '--current-song'] )
  File "/usr/lib/python2.7/subprocess.py", line 574, in check_output
    raise CalledProcessError(retcode, cmd, output=output)
subprocess.CalledProcessError: Command '['audtool', '--current-song']' returned non-zero exit status 1