el = el.jjtGetParent();//ignore others in same chord
}
ASTContext voice = el.getParentContext().getContext(ASTContext.TYPE_VOICE);
SimpleNode next = el;
while (next.id != ParserTreeConstants.JJTPITCH || next.getBeattime() <= el.getBeattime()) {
next = voice.findNext(next);
if (next == null) {
return null;
}
}
if (next.jjtGetParent().id == ParserTreeConstants.JJTCHORD) {