'Parse the MusicXML <forward> element.
This moves the global time position forward.
Args:
xml_forward: XML element with tag type \'forward\'.'

def _parse_forward(self, xml_forward):

    xml_duration = xml_forward.find('duration')
    forward_duration = int(xml_duration.text)
    midi_ticks = (forward_duration * (constants.STANDARD_PPQ / self.state.divisions))
    seconds = ((midi_ticks / constants.STANDARD_PPQ) * self.state.seconds_per_quarter)
    self.state.time_position += seconds
