ISBD: Simpson, Christopher - A Compendium of pratical musik in five parts. Teaching, by a new, and easie method, 1. the rudiments of song. 2. the principles of composition. 3. the use of discords. 4. the form of figurate descant. 5. the contrivance of canon. Together with Lessons for Viols, etc. / by Christopher Simpson. - The third editio. - London : Henry Brome, 1678. - 1 v. : 1 ritr. ; in 8.