CLAUSULA. The mediæval name for what is now called a Cadence, or Close.It is necessary to be very cautious in the use of these two English words, which, in the 16th century, were not interchangeable. Morley, for instance, at pp. 73 and 127 of his Plaine and Easie Introduction (2nd Edit. 1608) applies the term ‘Close
’ to the descent of the Canto fermo upon the Final of the Mode; and ‘Cadence
’ to the dissonance with which this progression...