fixed an parenthesis error and added class to site register

carynlopezgo_music/Homepage/admin.py

@@ -6,21 +6,21 @@ from .models import Artist, Album, Song
 class ArtistAdmin(admin.ModelAdmin):
     model = Artist
     list_display = ('artist name', 'birth name', 'monthly listeners')
-    search_fields = ('artist name', 'birth name')
+    search_fields = ['artist name', 'birth name']
     list_filter = ('artist name', 'birth name')
 
 class AlbumAdmin(admin.ModelAdmin):
     model = Album
     list_display = ('album name', 'description', 'release date', 'label', 'song count')
-    search_fields = ('album name', 'description', 'label')
+    search_fields = ['album name', 'description', 'label']
     list_filter = ('album name')
 
 class SongAdmin(admin.ModelAdmin):
     model = Song
     list_display = ('song title', 'song length', 'lyrics', 'music video flag')
-    search_fields = ('song title', 'lyrics')
+    search_fields = ['song title', 'lyrics']
     list_filter = ('song title')
 
-admin.site.register(Artist)
-admin.site.register(Album)
-admin.site.register(Song)
\ No newline at end of file
+admin.site.register(Artist, ArtistAdmin)
+admin.site.register(Album, AlbumAdmin)
+admin.site.register(Song, SongAdmin)
\ No newline at end of file