Counterpoint Applied in the Invention, Fugue, Canon and Other Polyphonic Forms

Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. This particular passage represents, Simply, a continuous scale-passage, with two shifts to the next higher Octave-register, - a device which is very common and effective in contrapuntal melodies, and possible in either direction. The rule at a', however, applies to other cases also (ex.