Now that the search has the direct search stuff built in, the "use direct search" box on http://test.musicbrainz.org/edit/relationship/edit?returnto=http%3A%2F%2Ftest.musicbrainz.org%2Frecording%2Fbf507212-960b-4337-9e88-14c3b329cd13%2Frelationships&type1=recording&type0=artist&id=542573 is no longer necessary