final Mdiv mdiv = meiData.getMusic().getBody().getMdivs()
.get(mdivIter);
for (Object scoreDefOrSection : mdiv.getScore()
.getGapsAndSbsAndCorrs()) {
if (scoreDefOrSection instanceof Section) {
rootDiagram.addChild(handleSection(
(Section) scoreDefOrSection, rootDiagram));
} else if (scoreDefOrSection instanceof ScoreDef) {
rootDiagram.setScoreDefForm((ScoreDefForm) handleScoreDef(
(ScoreDef) scoreDefOrSection, rootDiagram));
} else if (scoreDefOrSection instanceof App) {