test tab

app/Http/Controllers/Api/NctController.php

@@ -101,7 +101,7 @@ class NctController extends Controller
                 $response[$key]['composer'] = '?';
             }
 
-            echo  $track['title'] . "," . $track['id_nct'] . "," . $track['id_nct_str'] . "," . $track['singer'] . '<br>';
+            echo  $track['title'] . "\t" . $track['id_nct'] . "\t" . $track['id_nct_str'] . "\t" . $track['singer'] . '<br>';
         }
 
         die();