The song , which is a kundiman , is often considered the unofficial second national anthem of the Philippines .
The song , which is a kundiman , is often is sometimes sung by Overseas Filipinos groups after the Lupang Hinirang or by itself .
The song , which is a kundiman , is often considered the unofficial second national anthem of the Philippines , and is sometimes sung by Overseas Filipinos groups after the Lupang Hinirang or by itself .