Added total_duration and total_beats

ziffers/classes/root.py

@@ -125,6 +125,14 @@ class Ziffers(Sequence):
             for val in self.evaluated_values
             if isinstance(val, Event)
         ]
+    
+    def total_duration(self) -> float:
+        """Return total duration"""
+        return sum([val.duration for val in self.evaluated_values if isinstance(val, Event)])
+
+    def total_beats(self) -> float:
+        """Return total beats"""
+        return sum(self.beats())
 
     def beats(self) -> list[float]:
         """Return list of pitch durations as floats"""

ziffers/classes/sequences.py

@@ -334,6 +334,7 @@ class Subdivision(Sequence):
             if isinstance(item, Event):
                 if duration is not None:
                     item.duration = new_d
+                    item.beat = new_d*4
                 yield item