docs: def get_current_cmus():
      """
      Get the current song from cmus.
      """
      result = subprocess.run('cmus-remote -Q'.split(' '), check=True,
                              stdout=subprocess.PIPE, stderr=subprocess.DEVNULL)
      info = {}
      for line in result.stdout.decode().split('\n'):
          line = line.split(' ')
          if line[0] != 'tag':
              continue
          key = line[1]
          if key in ['album', 'title', 'artist', 'albumartist'] and\
             key not in info:
              info[key] = ' '.join(line[2:])
  
      if 'albumartist' in info:
          info['artist'] = info['albumartist']
          del info['albumartist']
  
      return Song(**info)