The Westminster Directory for Public Worship and the Lining of the Psalms by Chris Coldwell The “Lining of the Psalms” was once introduced as an optional expedient in the Nation of Scotland when it was necessary for the whole country to learn and get used to the tunes in the 1650 Psalter, which had been imposed by church and state in conformity to the uniformity of worship desired and aimed at in the Solemn League and Covenant.1 Over the years some separatist groups raised lining ...