'The Holy Tulzie', 'The Twa Herds' or 'An Unco Mournfu' Tale was a poem written in 1784 by Robert Burns whilst living at Mossgiel, Mauchline, about a strong disagreement, not on doctrine, but on the parish boundaries, between two 'Auld Licht' ministers, John Russel and Alexander Moodie It was followed by "The Holy Fair", "The Ordination", "The Kirk's Alarm", "Holy Willie's Prayer", etc.