3 common dutch names for notes. es means flat, is means sharp
7 (ceses . ,(make-pitch -1 0 -2))
8 (ces . ,(make-pitch -1 0 -1 ))
9 (c . ,(make-pitch -1 0 0 ))
10 (cis . ,(make-pitch -1 0 1 ))
11 (cisis . ,(make-pitch -1 0 2 ))
12 (deses . ,(make-pitch -1 1 -2 ))
13 (des . ,(make-pitch -1 1 -1 ))
14 (d . ,(make-pitch -1 1 0 ))
15 (dis . ,(make-pitch -1 1 1 ))
16 (disis . ,(make-pitch -1 1 2 ))
17 (eeses . ,(make-pitch -1 2 -2 ))
18 (eses . ,(make-pitch -1 2 -2 ))
19 (ees . ,(make-pitch -1 2 -1 ))
20 (es . ,(make-pitch -1 2 -1 ))
21 (e . ,(make-pitch -1 2 0 ))
22 (eis . ,(make-pitch -1 2 1 ))
23 (eisis . ,(make-pitch -1 2 2 ))
24 (feses . ,(make-pitch -1 3 -2 ))
25 (fes . ,(make-pitch -1 3 -1 ))
26 (f . ,(make-pitch -1 3 0 ))
27 (fis . ,(make-pitch -1 3 1 ))
28 (fisis . ,(make-pitch -1 3 2 ))
29 (geses . ,(make-pitch -1 4 -2 ))
30 (ges . ,(make-pitch -1 4 -1 ))
31 (g . ,(make-pitch -1 4 0 ))
32 (gis . ,(make-pitch -1 4 1 ))
33 (gisis . ,(make-pitch -1 4 2 ))
34 (aeses . ,(make-pitch -1 5 -2 ))
35 (ases . ,(make-pitch -1 5 -2 ))
36 (aes . ,(make-pitch -1 5 -1 ))
37 (as . ,(make-pitch -1 5 -1 ))
38 (a . ,(make-pitch -1 5 0 ))
39 (ais . ,(make-pitch -1 5 1 ))
40 (aisis . ,(make-pitch -1 5 2 ))
41 (beses . ,(make-pitch -1 6 -2 ))
42 (bes . ,(make-pitch -1 6 -1 ))
43 (b . ,(make-pitch -1 6 0 ))
44 (bis . ,(make-pitch -1 6 1 ))
45 (bisis . ,(make-pitch -1 6 2 ))