.state('app.tracks', {
      url: "/tracks",
      views: {
        'menuContent': {
          templateUrl: "templates/tracks.html",
          controller: 'TracksCtrl'
        }
      }
    })

  .state('app.track', {
    url: "/tracks/:trackId/:songTitle",
    views: {
      'menuContent': {
        templateUrl: "templates/track.html",
        controller: 'TrackCtrl'
      }
    }
  });