Index: cfg.py
==================================================================
--- cfg.py
+++ cfg.py
@@ -13,292 +13,33 @@
     bps = 60/60
     tempo = 1/bps
     max_duration = 1
 
     composition = {
-        "intro1": {
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 4,
-                "grammars": {
-                    "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
-                    "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
-                    "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u x u y x w u",
-            },
-        },
-        "intro2": {
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 8,
-                "grammars": {
-                    "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
-                    "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
-                    "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u x u y x w u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 8,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
         "overview": {
             "melody": {  # Instrument 'melody'
                 "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
                 "octave": 8,
                 "duration": 40,
                 "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ["I V/2 V/2 V/2 I VII, IV' I IV I VII IV"],
-                    "w": ['III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2'],
-                    "x": ['I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V'],
-                },
-                "score": "u u w w w w w x x",
-            },
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 44,
-                "grammars": {
-                    "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
-                    "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
-                    "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u x u y x w u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 44,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
-        "a": {  # Movement block 'a' for reuse throughout the piece
-            "melody": {  # Instrument 'melody'
-                "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
-                "octave": 8,
-                "duration": 40,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ["I V/2 V/2 V/2 I VII, IV' x", "I IV w", "I VII IV u"],
-                    "w": ['VII I IV V VI VII I IV V VI VII u'],
-                    "x": ['VI/4 III/4 II/4 I/4 w'],
-                },
-                "score": "u",
-            },
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 48,
-                "grammars": {
-                    "u": ['"I" "ii"/4 "ii"/4 "IV"/2 "V"2 "IV" "ii" x u', '"I" "vii" "III" y u', '"I" "v" "IV" u u'],
-                    "w": ['"i" "VII"2 "VI"/4 "V"/4 "i"/4 "VII"2 "VI" "V" w u'],
-                    "x": ['"III/2" "VI"/2 "III"/2 "vii"2 "i"2 "V" u'],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u x u y x w u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 42,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
-        "b": {  # Movement block 'a' for reuse throughout the piece
-            "melody": {  # Instrument 'melody'
-                "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
-                "octave": 8,
-                "duration": 40,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I VII V III u', "y"],
-                    "w": ['VII I IV V VI u', 'w'],
-                    "x": ['VI/4 III/4 II/4 I/4 w', 'x x'],
-                    "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2"],
-                },
-                "score": "w w x x w",
-            },
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 44,
-                "grammars": {
-                    "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u u y y u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 40,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
-        "zelda1": {  # Movement block 'a' for reuse throughout the piece
-            "melody": {  # Instrument 'melody'
-                "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
-                "octave": 8,
-                "duration": 50,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I VI/2 VI/2 IV/2 I VI/2 VI/2 IV/2 I VI/2 VI/2 IV/2 w', "y"],
-                    "w": ['VII/2 I/2 II/2 V/2 u'],
-                    "x": ['VI/4 III/4 II/4 I/4 w'],
-                    "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2 x"],
-                },
-                "score": "w",
-            },
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 54,
-                "grammars": {
-                    "u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"],
-                    "y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'],
-                },
-                "score": "u u y y u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 54,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
-        "zelda2": {  # Movement block 'a' for reuse throughout the piece
-            "melody": {  # Instrument 'melody'
-                "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
-                "octave": 8,
-                "duration": 40,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I/2 I/2 VI IV/2 V2 z I/2 I/2 VI IV/2 V u', "w"],
-                    "w": ['III/2 II/2 IV/2 III/2 V/2 IV/2 VI/2 V/2 w', 'u', 'x'],
-                    "x": ['VII3 z2 V/4 IV/4 V/4 IV/4 V/4 VI/4 II/4 II/4 II/4 I/4 II/2 u', 'w'],
-                },
-                "score": "u",
-            },
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 44,
-                "grammars": {
-                    "u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"],
-                    "y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'],
-                },
-                "score": "u u y y u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 44,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
-        "timbre_solo": {  # Movement block 'a' for reuse throughout the piece
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 30,
-                "grammars": {
-                    "u": ['"I"/2 "V"/2 "vi"/2 "iii"/2 "IV"/2 "I"/2 "IV"/2 "V"/2 u u', "y"],
-                    "y": ['"I"/2 "vi" "IV"/2 "V"/2 y y u'],
-                },
-                "score": "u u y y u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 30,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I VI/2 VI/2 IV/2 u', "y"],
-                    "w": ['VII/2 I/2 II/2 V/2 u', 'w w', 'u x'],
-                    "x": ['VI/4 III/4 II/4 I/4 w', 'x x', 'x u'],
-                    "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2 w", 'y y'],
-                },
-                "score": "u",
-            },
-        },
-        "outro1": {  # Movement block 'a' for reuse throughout the piece
-            "melody": {  # Instrument 'melody'
-                "score_line": "i2 %(time)f %(duration)f 7000 %(octave)d.%(note)s 2",
-                "octave": 8,
-                "duration": 20,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I VII V III u', "y"],
-                    "w": ['VII I IV V VI u', 'w w'],
-                    "x": ['VI/4 III/4 II/4 I/4 w', 'x x'],
-                    "y": ["III/4 VI/4 II/4 V/4 VI/4 IV/4 VII2"],
-                },
-                "score": "w w x x w",
-            },
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 26,
-                "grammars": {
-                    "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u u y y u",
-            },
-            "timbre": {
-                "score_line": "i3 %(time)f %(duration)f 2000 %(octave)d.%(note)s 2 3 5 3",
-                "octave": 6,
-                "duration": 26,
-                "grammars": {  # Notes for this instrument to use in this piece
-                    "u": ['I2 VII2 V2 VI2 I2 IV/2 V/2 III2 u', 'I2 IV2 V2 IV I V2 III2 II2 u']
-                },
-                "score": "u u u u u",
-            },
-        },
-        "outro2": {
-            "rhythm": {
-                "score_line": "i1 %(time)f %(duration)f 7000 %(octave)d.%(note)s %(octave)d.%(note)s 0 6",
-                "octave": 7,
-                "duration": 4,
-                "grammars": {
-                    "u": ['"I" "V" "vi" "iii" "IV" "I" "IV" "V" u u', "y"],
-                    "y": ['"I" "vi"2 "IV" "V" y y u'],
-                },
-                "score": "u u y y u",
+                    "u": ["C G/2 G/2 G/2 C B, F' C F C B F"],
+#                    "w": ['E/4 A/4 D/4 G/4 F/4 F/4 B2'],
+                },
+                "score": "u u",
             },
         },
     }
 
     max_t = 0  # max time encountered so far. Used for movement timing
-    progression = "intro1 intro2 overview a timbre_solo zelda1 b zelda2 outro1 outro2"
+    progression = "overview"
 #    progression = "zelda1"
     for comp_name in progression.split():
         comp_start_time = max_t
         for instr_name, instr in composition[comp_name].iteritems():
             generated_score = generate_score(instr["score"], instr["grammars"])  # Fill in the scores by generating them based on the grammars
 #            print generated_score
+            print generated_score
             score = parse.parse(generated_score, default_octave=instr["octave"])  # Return Node/Chord objects
 
             # Generate timestamps for the notes 
             t = comp_start_time
             for note in range(len(score)):
@@ -320,11 +61,11 @@
             f3 0 1025 10 1
     '''
     for comp_name in progression.split():
         print "; Movement:", comp_name
         for instr_name, instr in composition[comp_name].iteritems():
-            composition[comp_name][instr_name]["score"] = transliterate_score(composition[comp_name][instr_name]["score"], key)
+#            composition[comp_name][instr_name]["score"] = transliterate_score(composition[comp_name][instr_name]["score"], key)
 #            print "\nMovement %s instrument %s" % (comp_name, instr_name)
 #            print composition[comp_name][instr_name]["score"] 
             final_score = generate_csound_score(composition[comp_name][instr_name]["score"], composition[comp_name][instr_name]["score_line"])
             for line in final_score:
                 print line

Index: parse.py
==================================================================
--- parse.py
+++ parse.py
@@ -1,6 +1,8 @@
 #!/usr/bin/env python
+
+import tree
 
 from ply import lex, yacc
 class Note():
     def __init__(self, value, duration=.25, octave=8):
         self.value = value
@@ -35,21 +37,23 @@
         "ACCIDENTAL",
         "REST",
         "OCTAVE",
         "CHORD_TYPE",
         "QUOTE",
+        "NODE",
     )
 
     t_ignore = " |"
 
-    #t_BASENOTE = r"[A-Ga-g]"
-    t_BASENOTE = r"I+V?|VI*|i+v?|vi*"
+    t_BASENOTE = r"[A-Ga-g]"
+#    t_BASENOTE = r"I+V?|VI*|i+v?|vi*"
     t_ACCIDENTAL = r"\^{1,2}|_{1,2}|="
     t_REST = r"z"
     t_OCTAVE = r"'+|,+"
     t_CHORD_TYPE = r"m|7|m7|0|o|\+|mb5|sus|sus4|maj7|mmaj7|7sus4|dim|dim7|7b5|m7b5|6|b6|m6|mb6|46|maj9|9|add9|7b9|m9"
     t_QUOTE = '"'
+    t_NODE = r"\([a-zA-Z0-9_-]+\)"
 
     def t_NOTE_LENGTH(t):
         r"/?\d+"
         multiplier = float(t.value.strip("/"))
         if t.value.startswith("/"):
@@ -76,17 +80,19 @@
 
     def p_pitch_list(p):
         '''score : score note
             | score chord
             | score rest
+            | score node
         '''
         p[0] = p[1] + [p[2]]
 
     def p_score(p):
         '''score : note
             | chord
             | rest
+            | node
         '''
         p[0] = [p[1]]
 
 
     def p_note(p):
@@ -145,13 +151,20 @@
                 | REST NOTE_LENGTH
         '''
         p[0] = Rest()
         if len(p) > 2:
             p[0].duration = p[2]
+
+    def p_node(p):
+        '''node : NODE
+        '''
+        p[0] = tree.Tree(p[1].strip("(").strip(")"))
+
 
     def p_error(p):
+        print p
         raise Exception("Syntax error at '%s' of element type %s" % (p.value, p.type))
         
     yacc.yacc()
 
     #print yacc.parse("GFG B'AB,, | g/2fg gab | GFG BAB | d2A AFD")
     return yacc.parse(score)

ADDED   tree.py
Index: tree.py
==================================================================
--- /dev/null
+++ tree.py
@@ -0,0 +1,32 @@
+import pdb
+
+class Tree():
+    def __init__(self, name):
+        self.nodes = []
+        self.name = name
+
+    def traverse_depth_first(self):
+        all_nodes = []
+        for node in self.nodes:
+            if isinstance(node, Node):
+                all_nodes.append(node)
+            elif isinstance(node, Tree):
+#                pdb.set_trace()
+                all_nodes.extend(node.traverse_depth_first())
+        return all_nodes
+
+    def __str__(self):
+        return str(self.__unicode__())
+    def __unicode__(self):
+        return self.nodes
+
+
+class Node():
+    def __init__(self, parent, data):
+        self.parent = parent
+        self.data = data
+
+    def __str__(self):
+        return str(self.__unicode__())
+    def __unicode__(self):
+        return self.data