15; the cadence is perfect, because the cadence-chord, on the accent of the 4th measure, is the tonic harmony of G major, with the keynote as highest and as lowest tone.

It is abbreviated by rests, which very slightly diminish its weight.

Ex.

17, No.

2, closes with a perfect cadence; it is the tonic harmony of C major, on an accent, and with the keynote in the two extreme parts.