chachin, locate and change this part:

else { 
    $2 Last.fm_NP : $+($chr(9833),$chr(9834),$chr(9835)) $+($chr(2),$&
      $lastfm($gettok($gettok([ [ $4 ] ],6,62),1,60)),$chr(2)) - $+($chr(2),$&
      $lastfm($gettok($gettok([ [ $4 ] ],8,62),1,60)),$chr(2)) $&
      $+($chr(9833),$chr(9835),$chr(9836)) 
    sockclose %lf 
  }

to this:

else { 
    $2 Last.fm_NP : $+($chr(2),$&
      $lastfm($gettok($gettok([ [ $4 ] ],6,62),1,60)),$chr(2)) - $+($chr(2),$&
      $lastfm($gettok($gettok([ [ $4 ] ],8,62),1,60)),$chr(2))
    sockclose %lf 
  }