self.octave = int(_getNodeValue(node, 'pitch/octave'))
self.alter = int(_getNodeValue(node, 'pitch/alter', 0))
self._duration = float(_getNodeValue(node, 'duration'))
self.octave = int(_getNodeValue(node, 'pitch/octave'))
self.alter = int(_getNodeValue(node, 'pitch/alter', 0))
self._duration = float(_getNodeValue(node, 'duration'))