2 % german/norwegian/danish?
5 #(define (pitch->chord-name-text-banter pitch)
6 (if (equal? (cdr pitch) '(6 0))
8 (if (equal? (cdr pitch) '(6 -1)) '("B")
11 #(define (pitch->note-name-text-banter pitch)
12 (if (equal? (cdr pitch) '(6 -1)) '("b")
15 (if (equal? (cadr pitch) 6) "h"
16 (make-string 1 (integer->char (+ (modulo (+ (cadr pitch) 2) 7) 97))))
29 \context ChordNames \chords { b1/+b bes/+bes bis/+bis }
30 \notes\transpose c'' \chords { b1/+b bes/+bes bis/+bis }