break; case PERFORMER: result = this.getPerformer()==null?this.getParent().getParent().getPerformer():this.getPerformer(); break; case TRACKPERFORMER: break; case SONGWRITER: result = this.getSongwriter()==null?this.getParent().getParent().getSongwriter():this.getSongwriter(); break; case TRACKSONGWRITER: break; case TITLE: result = this.getTitle()==null?this.getParent().getParent().getTitle():this.getTitle(); break; case TRACKTITLE: break; default: result = this.getParent().getParent().getMetaData(metaDataField); break;