;;;
;;; c:\\program files\\acl62\\music22.cl
;;;
(load "c:\\program files\\acl62\\music21.cl")
(defun make-a-phrase-1-3 (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 8))
(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 4))
(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 3))
(squash
(generate-a-phrase-at-random
(list (first lst)
(second lst))
))))))))))
(defun make-a-phrase-2-3 (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 8))
(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 4))
(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 3))
(squash
(generate-a-phrase-at-random-2
(list (car lst)
(cadr lst))))))))))))
(defun make-a-phrase-for-ballad (l)
(let* ((l1 (make-a-phrase-1-3 l))
(l2 (make-a-phrase-2-3 l))
(n1 (length l1))
(n2 (length l2))
(r1 (get-rythm-of-4beat n1))
(r2 (get-rythm-of-4beat n2)))
(list (list l1 r1) (list l2 r2))))
(defun make-phrases-for-ballad (l)
(do ((lst l (cdr lst)))
((null lst))
(format t "~%*** ~a ***" (car lst))
(format t "~%~a"
(make-a-phrase-for-ballad (car lst)))))
;;;
;;; (make-ballad *w3*)
;;;
(defun make-ballad (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-ballad l2)))
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