A compleat book of psalmody. [electronic resource] : Containing variety of psalm-tunes, hymns, and anthems, to be sung in two, three, and four parts, within Compass, as will most naturally suit the Voices in Cathedral and Country Churches. Together with An Easy introduction, giving you a true Demonstration of the grounds of musick; with a True Method of all the keys, by Transposition, and how to prove them either by flats or sharps. The fifth edition, with additions, set forth, and corrected by James Evison.