public function addMeasureHeader(MeasureHeader $measureHeader)
{
$measureHeader->setSong($this);
$this->measureHeaders[$this->countMeasureHeaders()] = $measureHeader;
}
public function copyFrom(MeasureHeader $header)
{
$this->setNumber($header->getNumber());
$this->setStart($header->getStart());
$this->setRepeatOpen($header->isRepeatOpen());
$this->setRepeatAlternative($header->getRepeatAlternative());
$this->setRepeatClose($header->getRepeatClose());
$this->setTripletFeel($header->getTripletFeel());
$this->getTimeSignature()->copyFrom($header->getTimeSignature());
$this->getTempo()->copyFrom($header->getTempo());
$this->setMarker($header->hasMarker() ? clone $header->getMarker() : null);
$this->checkMarker();
}