function show()
 {
     $timings = Timing::orderBy('artist_name', 'asc')->get();
     $select_timings = Timing::lists('artist_name', 'artist_name');
     $title = "Plan by Artist";
     $user = Auth::user();
     $already_selected_timings = [];
     // if logged in then set this to an actual array
     if ($user !== null) {
         $already_selected_timings = $user->timings->lists('artist_name', 'artist_name')->toArray();
     }
     return view('byartist', compact('timings', 'select_timings', 'already_selected_timings', 'title'));
 }