Fourth Interlude

1 Sonata I
2 Sonata II
3 Sonata III
4 Sonata IV
5 First Interlude
6 Sonata V
7 Sonata VI
8 Sonata VII
9 Sonata VIII
10 Second Interlude
11 Third Interlude
12 Sonata IX
13 Sonata X
14 Sonata XI
15 Sonata XII
16 Fourth Interlude
17 Sonata XIII
18 Sonata XIV
19 Sonata XV
20 Sonata XVI