;;;
;;; c:\\program files\\acl62\\music21.cl
;;;
(load "c:\\program files\\acl62\\music20.cl")
(defun make-a-phrase-1-2 (l)
(let ((num (length l)))
(case num
(2 (do ((lst l (cddr lst))
(w))
((null lst) w)
(setf w (cut-list-at-length (1+ (random 6))
(squash (generate-a-phrase-at-random (list
(first lst) (second lst))))))))
(4 (do ((lst l (cddr lst))
(w))
((null lst) w)
(setf w (append w
(cut-list-at-length
(1+ (random 3))
(squash (generate-a-phrase-at-random
(list (first lst) (second lst)))))))))
(6 (do ((lst l (cddr lst))
(w))
((null lst) w)
(setf w (append w
(cut-list-at-length
(1+ (random 2))
(squash (generate-a-phrase-at-random (list (first lst) (second lst))))))))))))
(defun make-a-phrase-2-2 (l)
(let ((num (length l)))
(case num
(2 (do ((lst l (cddr lst))
(w))
((null lst) w)
(setf w (cut-list-at-length (1+ (random 6))
(squash (generate-a-phrase-at-random-2 (list (car lst) (cadr lst))))))))
(4 (do ((lst l (cddr lst))
(w))
((null lst) w)
(setf w (append w
(cut-list-at-length
(1+ (random 3))
(squash (generate-a-phrase-at-random-2
(list (car lst) (cadr lst)))))))))
(6 (do ((lst l (cddr lst))
(w))
((null lst) w)
(setf w (append w
(cut-list-at-length
(1+ (random 2))
(squash (generate-a-phrase-at-random-2
(list (car lst) (cadr lst))))))))))))
(defun make-a-phrase-for-waltz (l)
(let* ((l1 (make-a-phrase-1-2 l))
(l2 (make-a-phrase-2-2 l))
(n1 (length l1))
(n2 (length l2))
(r1 (get-rythm-of-3beat n1))
(r2 (get-rythm-of-3beat n2)))
(list (list l1 r1) (list l2 r2))))
(defun make-phrases-for-waltz (l)
(do ((lst l (cdr lst)))
((null lst))
(format t "~%*********** ~a *************" (car lst))
(format t "~%~a" (make-a-phrase-for-waltz (car lst)))))
;;;
;;; (make-waltz *w3*)
;;;
(defun make-waltz (wn)
(tagbody
(my-randomize)
(format t "~%************ ~a ************" (second (first
wn)))
(format t "~%The original key is ~a." (first (first wn)))
(format t "~%Enter a key.")
loop1
(setf l1 (read-sentence))
(if (not (key-p (car l1)))
(go loop1))
(if (equal (car l1) (first (first wn)))
(setf l2 (cdr wn))
(setf l2 (modulate-key1-to-key2 (cdr wn) (first (first wn)) (car
l1))))
(format t "~%*********** The key is ~a. ***********" (car
l1))
(make-phrases-for-waltz l2)))