If so, how are they different from a precentor standing out from his choir?
He explains that his wife's grandfather was a Gaelic precentor who led the singing of the psalms in Skye.
It is said that when one of the incumbent ministers asked his superiors for an additional bathroom for the house, he was given the choice of that or the services of a precentor (praise leader) for the church.
Line-singing is an ancient form of worship where a precentor , or leader, sings the first line of a psalm and the congregation responds, finishing off the verse.
Church elders from both sides nod in recognition as each takes turn to precent , or line out.
Surveying the black and white faces in Sprague Hall at Yale University in Connecticut is the music teacher who precents the line at Back Free Church on Lewis each week, thousands of miles away.
He says ‘ precenting the line’ - the traditional unaccompanied singing of psalms in Gaelic in the Presbyterian churches in the Hebrides - is one of the predecessors of ‘lining out’, still practised in black churches in the South.
Today metrical psalms, sung slowly, ornamentally and with precenting , are used only in Gaelic services in Presbyterian churches, and only in the Western Isles on a regular basis.
Synagogues began… to appoint official precentors , part of whose duty it was to compose poetical additions to the liturgy on special Sabbaths and festivals.