private function writeInformations(Song $song)
{
$this->writeStringByteSizeOfInteger($song->getName());
$this->writeStringByteSizeOfInteger("");
$this->writeStringByteSizeOfInteger($song->getArtist());
$this->writeStringByteSizeOfInteger($song->getAlbum());
$this->writeStringByteSizeOfInteger($song->getAuthor());
$this->writeStringByteSizeOfInteger($song->getCopyright());
$this->writeStringByteSizeOfInteger($song->getWriter());
$this->writeStringByteSizeOfInteger("");
$comments = $this->toCommentLines($song->getComments());
$this->writeInt(count($comments));
for ($i = 0; $i < count($comments); $i++) {
$this->writeStringByteSizeOfInteger($comments[$i]);
}
}