Index: parse.py
==================================================================
--- parse.py
+++ parse.py
@@ -2,30 +2,30 @@
 
 import tree
 
 from ply import lex, yacc
 class Note():
-    def __init__(self, value, duration=.25, octave=8):
+    def __init__(self, value, duration=1, octave=8):
         self.value = value
         self.duration = duration
         self.octave = octave
         self.accidental = None
     def __repr__(self):
         return "Note %s %s %s" % (self.value, self.duration, self.octave)
 
 class Chord():
-    def __init__(self, value, duration=.25, chord_type="major", octave=5):
+    def __init__(self, value, duration=1, chord_type="major", octave=5):
         self.value = value
         self.duration = duration
         self.chord_type = chord_type
         self.octave = octave
     def __repr__(self):
         return "Chord %s %s %s" % (self.value, self.duration, self.chord_type, self.octave)
 
 
 class Rest():
-    def __init__(self, duration=.25):
+    def __init__(self, duration=1):
         self.duration = duration
     def __repr__(self):
         return "Rest node %s" % self.duration
 
 
@@ -110,11 +110,11 @@
 
     def p_chord_length(p):
         ''' chord : chord NOTE_LENGTH
         '''
         new_note = p[1]
-        new_note.duration = 4*p[2]
+        new_note.duration = p[2]
         p[0] = new_note
 
 
     def p_chord(p):
         '''chord : QUOTE pitch QUOTE
@@ -150,11 +150,11 @@
         ''' rest : REST
                 | REST NOTE_LENGTH
         '''
         p[0] = Rest()
         if len(p) > 2:
-            p[0].duration = 4*p[2]
+            p[0].duration = p[2]
 
     def p_node(p):
         '''node : NODE
         '''
         p[0] = tree.Tree(p[1].strip("(").strip(")"))

Index: test.sco
==================================================================
--- test.sco
+++ test.sco
@@ -7,73 +7,28 @@
 i2 0.250000 0.250000 7000 8.09 2
 i2 0.500000 0.250000 7000 8.02 2
 i2 0.750000 0.250000 7000 8.07 2
 i2 1.000000 0.250000 7000 8.05 2
 i2 1.250000 0.250000 7000 8.05 2
-i2 1.500000 0.250000 7000 8.00 2
-i2 1.750000 0.500000 7000 8.07 2
-i2 2.250000 0.500000 7000 8.07 2
-i2 2.750000 0.500000 7000 8.07 2
-i2 3.250000 0.250000 7000 8.00 2
-i2 3.500000 0.250000 7000 7.11 2
-i2 3.750000 0.250000 7000 9.05 2
-i2 4.000000 0.250000 7000 8.00 2
-i2 4.250000 0.250000 7000 8.05 2
-i2 4.500000 0.250000 7000 8.00 2
-i2 4.750000 0.250000 7000 8.11 2
-i2 5.000000 0.250000 7000 8.04 2
-i2 5.250000 0.250000 7000 8.09 2
-i2 5.500000 0.250000 7000 8.02 2
-i2 5.750000 0.250000 7000 8.07 2
-i2 6.000000 0.250000 7000 8.05 2
-i2 6.250000 0.250000 7000 8.05 2
-i2 6.500000 2.000000 7000 8.11 2
-i2 8.500000 0.250000 7000 8.02 2
-i2 8.750000 0.250000 7000 8.02 2
-i2 9.000000 0.500000 7000 8.07 2
-i2 9.500000 0.500000 7000 8.09 2
-i2 10.000000 0.250000 7000 8.02 2
-i2 10.250000 0.250000 7000 8.00 2
-i2 10.500000 0.250000 7000 8.00 2
-i2 10.750000 0.250000 7000 8.00 2
-i2 11.000000 0.250000 7000 8.00 2
-i2 11.250000 0.500000 7000 8.05 2
-i2 11.750000 0.500000 7000 8.05 2
-i2 12.250000 0.250000 7000 8.00 2
-i2 12.500000 0.250000 7000 8.00 2
-i2 12.750000 0.250000 7000 8.00 2
-i2 13.000000 0.250000 7000 8.00 2
-i2 13.250000 0.500000 7000 8.05 2
-i2 13.750000 0.500000 7000 8.05 2
-i2 14.250000 0.250000 7000 8.00 2
-i2 14.500000 0.250000 7000 8.00 2
-i2 14.750000 0.250000 7000 8.00 2
-i2 15.000000 0.250000 7000 8.00 2
-i2 15.250000 0.500000 7000 8.05 2
-i2 15.750000 0.500000 7000 8.05 2
-i2 16.250000 0.500000 7000 8.05 2
-i2 8.500000 0.250000 7000 8.02 2
-i2 8.750000 0.250000 7000 8.02 2
-i2 9.000000 0.500000 7000 8.07 2
-i2 9.500000 0.500000 7000 8.09 2
-i2 10.000000 0.250000 7000 8.02 2
-i2 10.250000 0.250000 7000 8.02 2
-i2 10.500000 0.250000 7000 8.02 2
-i2 10.750000 0.500000 7000 8.07 2
-i2 11.250000 0.500000 7000 8.09 2
-i2 11.750000 0.250000 7000 8.02 2
-i2 12.000000 0.250000 7000 8.02 2
-i2 12.250000 0.250000 7000 8.02 2
-i2 12.500000 0.500000 7000 8.07 2
-i2 13.000000 0.500000 7000 8.09 2
-i2 13.500000 0.250000 7000 8.02 2
-i2 13.750000 0.250000 7000 8.02 2
-i2 14.000000 0.250000 7000 8.02 2
-i2 14.250000 0.500000 7000 8.07 2
-i2 14.750000 0.500000 7000 8.09 2
-i2 15.250000 0.250000 7000 8.02 2
-i2 15.500000 0.250000 7000 8.02 2
-i2 15.750000 0.250000 7000 8.02 2
-i2 16.000000 0.500000 7000 8.07 2
-i2 16.500000 0.500000 7000 8.09 2
-i2 17.000000 0.250000 7000 8.02 2
-i2 17.250000 0.250000 7000 8.02 2
+i2 1.500000 2.000000 7000 8.11 2
+i2 3.500000 1.000000 7000 8.02 2
+i2 4.500000 1.000000 7000 8.02 2
+i2 5.500000 0.500000 7000 8.07 2
+i2 6.000000 0.500000 7000 8.09 2
+i2 6.500000 1.000000 7000 8.02 2
+i2 7.500000 1.000000 7000 8.02 2
+i2 8.500000 1.000000 7000 8.02 2
+i2 9.500000 0.500000 7000 8.07 2
+i2 10.000000 0.500000 7000 8.09 2
+i2 10.500000 1.000000 7000 8.02 2
+i2 11.500000 1.000000 7000 8.02 2
+i2 3.500000 1.000000 7000 8.02 2
+i2 4.500000 1.000000 7000 8.02 2
+i2 5.500000 0.500000 7000 8.07 2
+i2 6.000000 0.500000 7000 8.09 2
+i2 6.500000 1.000000 7000 8.02 2
+i2 7.500000 1.000000 7000 8.02 2
+i2 8.500000 1.000000 7000 8.02 2
+i2 9.500000 0.500000 7000 8.07 2
+i2 10.000000 0.500000 7000 8.09 2
+i2 10.500000 1.000000 7000 8.02 2
+i2 11.500000 1.000000 7000 8.02 2