text: app.factory("Song", function SongFactory($http) {
      return {
          all: function() {
              return $http.get(API_URL + 'songs/');
          },
          read: function(id) {
              return $http.get(API_URL + 'songs/' + id);
          },
          create: function(Song) {
              return $http({
                  method: "POST",
                  url: API_URL + 'songs',
                  data: JSON.stringify(Song)
              });
          },
          remove: function(id) {
              return $http({
                  method: "DELETE",
                  url: API_URL + 'songs/' + id,
              });
          },
          song: {
           	title: null,
           	subtitle: null,
           	album: null,
          	artist: null,
              description: null,
          	song: null,
          	tab: null,
          	key: "C",
              artist_id: null
          }
      }
  });