old_contents: from django.conf.urls import patterns, url
  from django.http import Http404
  from django.views.generic.base import RedirectView
  
  from multiurl import ContinueResolving, multiurl
  
  from .views import (AlbumDetailView, AlbumBrowseView, MusicBrowseView, SingleDetailView,
      SingleBrowseView, TrackDetailView, TrackBrowseView)
  
  
  urlpatterns = patterns('',
      # MultiURL allows us to unite all of the music under a simpler URL.
      multiurl(
          url('^music/(?P<slug>[-\w]+)/$', name='album-detail', view=AlbumDetailView.as_view()),
          url('^music/(?P<slug>[-\w]+)/$', name='single-detail', view=SingleDetailView.as_view()),
          catch=(Http404, ContinueResolving)
      ),
  
      # url(r'^music/albums/(?P<slug>[-\w]+)/$', name='album-detail', view=AlbumDetailView.as_view()),
      # url(r'^music/albums/$', name='album-browse', view=AlbumBrowseView.as_view()),
  
      # url(r'^music/singles/(?P<slug>[-\w]+)/$', name='single-detail', view=SingleDetailView.as_view()),
      # url(r'^music/singles/$', name='single-browse', view=SingleBrowseView.as_view()),
  
      # url(r'^music/tracks/(?P<pk>\d+)/$', name='track-detail', view=TrackDetailView.as_view()),
      # url(r'^music/tracks/$', name='track-browse', view=TrackBrowseView.as_view()),
  
      # url(r'^music/browse/$', name='music-browse', view=MusicBrowseView.as_view()),
      # url(r'^music/$', name='music-list', view=RedirectView.as_view(url='/music/browse/'))
  )
  
new_contents: from django.conf.urls import patterns, url
  from django.http import Http404
  from django.views.generic.base import RedirectView
  
  from multiurl import ContinueResolving, multiurl
  
  from .views import (AlbumDetailView, AlbumBrowseView, MusicBrowseView, SingleDetailView,
      SingleBrowseView, TrackDetailView, TrackBrowseView)
  
  
  urlpatterns = patterns('',
      # MultiURL allows us to unite all of the music under a simpler URL.
      multiurl(
          url('^music/(?P<slug>[-\w]+)/$', name='album-detail', view=AlbumDetailView.as_view()),
          url('^music/(?P<slug>[-\w]+)/$', name='single-detail', view=SingleDetailView.as_view()),
          catch=(Http404, ContinueResolving)
      ),
  
      # url(r'^music/albums/$', name='album-browse', view=AlbumBrowseView.as_view()),
      # url(r'^music/singles/$', name='single-browse', view=SingleBrowseView.as_view()),
  
      # url(r'^music/tracks/(?P<pk>\d+)/$', name='track-detail', view=TrackDetailView.as_view()),
      # url(r'^music/tracks/$', name='track-browse', view=TrackBrowseView.as_view()),
  
      # url(r'^music/browse/$', name='music-browse', view=MusicBrowseView.as_view()),
      # url(r'^music/$', name='music-list', view=RedirectView.as_view(url='/music/browse/'))
  )
  
subject: Remove some of the URLs in the music app.