// Return name of all the keys.
// This information is generated from ModelPerformer.getName()
// returned from getPerformers().
public String[] getKeys() {
String[] keys = new String[128];
for (ModelPerformer performer : getPerformers()) {
for (int k = performer.getKeyFrom(); k <= performer.getKeyTo(); k++) {
if (k >= 0 && k < 128 && keys[k] == null) {
String name = performer.getName();
if (name == null) name = "untitled";
keys[k] = name;
}
}
}
return keys;
}
