});
# in case this is a single-cd it promotes a track from another cd
-__PACKAGE__->belongs_to( single_track => 'DBICTest::Schema::Track' );
+__PACKAGE__->belongs_to( single_track => 'DBICTest::Schema::Track', 'single_track',
+ { join_type => 'left'}
+);
__PACKAGE__->has_many( tracks => 'DBICTest::Schema::Track' );
__PACKAGE__->has_many(