a. VL graph
![](sallmen_ex23a.png)
b. Parallel minor thirds ascending by whole step
![](sallmen_ex23b.png)
c. Parallel major sixths descending by half step
![](sallmen_ex23c.png)
d. Oscillating whole-step related major sixths
![](sallmen_ex23d.png)
e. Parallel minor thirds in repeating pattern (hold–descending half step–descending whole step)
![](sallmen_ex23e.png)
f. Compound melody based on four-voice model in 23c (transposed up by major third)
![](sallmen_ex23f.png)
g. Excerpt for piano, six hands, based on four-voice model in 23e